diff --git a/src/xrEngine/IInputReceiver.h b/src/xrEngine/IInputReceiver.h
index c252a02eb0d..a4a24e7f883 100644
--- a/src/xrEngine/IInputReceiver.h
+++ b/src/xrEngine/IInputReceiver.h
@@ -17,6 +17,7 @@ using Ivector2 = _vector2<int>;
 class ENGINE_API IInputReceiver
 {
 public:
+    virtual ~IInputReceiver() = default;
     static void IR_GetLastMouseDelta(Ivector2& p);
     static void IR_GetMousePosScreen(Ivector2& p);
     static void IR_GetMousePosReal(SDL_Window* m_sdlWnd, Ivector2& p);
@@ -31,16 +32,16 @@ class ENGINE_API IInputReceiver
     virtual void IR_OnDeactivate(void);
     virtual void IR_OnActivate(void);
 
-    virtual void IR_OnMousePress(int /*btn*/){};
-    virtual void IR_OnMouseRelease(int /*btn*/){};
-    virtual void IR_OnMouseHold(int /*btn*/){};
-    virtual void IR_OnMouseWheel(int /*direction*/){};
-    virtual void IR_OnMouseMove(int /*x*/, int /*y*/){};
-    virtual void IR_OnMouseStop(int /*x*/, int /*y*/){};
+    virtual void IR_OnMousePress(int /*btn*/) {}
+    virtual void IR_OnMouseRelease(int /*btn*/) {}
+    virtual void IR_OnMouseHold(int /*btn*/) {}
+    virtual void IR_OnMouseWheel(int /*x*/, int /*y*/) {}
+    virtual void IR_OnMouseMove(int /*x*/, int /*y*/) {}
+    virtual void IR_OnMouseStop(int /*x*/, int /*y*/) {}
 
-    virtual void IR_OnKeyboardPress(int /*dik*/){};
-    virtual void IR_OnKeyboardRelease(int /*dik*/){};
-    virtual void IR_OnKeyboardHold(int /*dik*/){};
+    virtual void IR_OnKeyboardPress(int /*dik*/) {}
+    virtual void IR_OnKeyboardRelease(int /*dik*/) {}
+    virtual void IR_OnKeyboardHold(int /*dik*/) {}
 };
 
 ENGINE_API extern float psMouseSens;
diff --git a/src/xrEngine/xr_input.cpp b/src/xrEngine/xr_input.cpp
index 6604ae796aa..dc49cfa7921 100644
--- a/src/xrEngine/xr_input.cpp
+++ b/src/xrEngine/xr_input.cpp
@@ -125,6 +125,7 @@ void CInput::MouseUpdate()
             cbStack.back()->IR_OnMousePress(event.button.button - 1);
             break;
         case SDL_MOUSEWHEEL:
+            mouseMoved = true;
             timeStamp[2] = dwCurTime + event.wheel.timestamp;
             timeStamp[3] = dwCurTime + event.wheel.timestamp;
             offs[2] += event.wheel.y;
@@ -152,8 +153,8 @@ void CInput::MouseUpdate()
     {
         if (offs[0] || offs[1])
             cbStack.back()->IR_OnMouseMove(offs[0], offs[1]);
-        if (offs[2])
-            cbStack.back()->IR_OnMouseWheel(offs[2]);
+        if (offs[2] || offs[3])
+            cbStack.back()->IR_OnMouseWheel(offs[2], offs[3]);
     }
     else
     {
diff --git a/src/xrGame/Actor.h b/src/xrGame/Actor.h
index 3601bffa4d5..0f748333c09 100644
--- a/src/xrGame/Actor.h
+++ b/src/xrGame/Actor.h
@@ -431,7 +431,7 @@ class CActor : public CEntityAlive,
     virtual void IR_OnKeyboardPress(int dik);
     virtual void IR_OnKeyboardRelease(int dik);
     virtual void IR_OnKeyboardHold(int dik);
-    virtual void IR_OnMouseWheel(int direction);
+    virtual void IR_OnMouseWheel(int x, int y);
     virtual float GetLookFactor();
 
 public:
diff --git a/src/xrGame/ActorInput.cpp b/src/xrGame/ActorInput.cpp
index 3e52dad3852..aa519f8a0cd 100644
--- a/src/xrGame/ActorInput.cpp
+++ b/src/xrGame/ActorInput.cpp
@@ -199,18 +199,18 @@ void CActor::IR_OnKeyboardPress(int cmd)
     }
 }
 
-void CActor::IR_OnMouseWheel(int direction)
+void CActor::IR_OnMouseWheel(int x, int y)
 {
     if (hud_adj_mode)
     {
-        g_player_hud->tune(Ivector().set(0, 0, direction));
+        g_player_hud->tune(Ivector().set(0, 0, x));
         return;
     }
 
-    if (inventory().Action((direction > 0) ? (u16)kWPN_ZOOM_DEC : (u16)kWPN_ZOOM_INC, CMD_START))
+    if (inventory().Action((x > 0) ? (u16)kWPN_ZOOM_DEC : (u16)kWPN_ZOOM_INC, CMD_START))
         return;
 
-    if (direction > 0)
+    if (x > 0)
         OnNextWeaponSlot();
     else
         OnPrevWeaponSlot();
diff --git a/src/xrGame/Level.h b/src/xrGame/Level.h
index c68a6cc9534..81f5e6555c6 100644
--- a/src/xrGame/Level.h
+++ b/src/xrGame/Level.h
@@ -298,7 +298,7 @@ class CLevel : public IGame_Level, public IPureClient
     virtual void IR_OnMouseHold(int btn);
     virtual void IR_OnMouseMove(int, int);
     virtual void IR_OnMouseStop(int, int);
-    virtual void IR_OnMouseWheel(int direction);
+    virtual void IR_OnMouseWheel(int x, int y);
     virtual void IR_OnActivate(void);
     int get_RPID(LPCSTR name);
     // Game
diff --git a/src/xrGame/Level_input.cpp b/src/xrGame/Level_input.cpp
index eb9e1aa3e12..d98853f7858 100644
--- a/src/xrGame/Level_input.cpp
+++ b/src/xrGame/Level_input.cpp
@@ -43,7 +43,7 @@ extern float g_fTimeFactor;
 
 #define CURRENT_ENTITY() (game ? ((GameID() == eGameIDSingle) ? CurrentEntity() : CurrentControlEntity()) : NULL)
 
-void CLevel::IR_OnMouseWheel(int direction)
+void CLevel::IR_OnMouseWheel(int x, int y)
 {
     if (g_bDisableAllInput)
         return;
@@ -51,10 +51,10 @@ void CLevel::IR_OnMouseWheel(int direction)
 #ifdef INPUT_CALLBACKS
     /* avo: script callback */
     if (g_actor)
-        g_actor->callback(GameObject::eMouseWheel)(direction);
+        g_actor->callback(GameObject::eMouseWheel)(x);
     /* avo: end */
 #endif
-    if (CurrentGameUI()->IR_UIOnMouseWheel(direction))
+    if (CurrentGameUI()->IR_UIOnMouseWheel(x, y))
         return;
     if (Device.Paused()
 #ifdef DEBUG
@@ -67,7 +67,7 @@ void CLevel::IR_OnMouseWheel(int direction)
     {
         IInputReceiver* IR = smart_cast<IInputReceiver*>(smart_cast<CGameObject*>(CURRENT_ENTITY()));
         if (IR)
-            IR->IR_OnMouseWheel(direction);
+            IR->IR_OnMouseWheel(x, y);
     }
 }
 
diff --git a/src/xrGame/MainMenu.cpp b/src/xrGame/MainMenu.cpp
index 7103fb7c581..1f44bd7eb04 100644
--- a/src/xrGame/MainMenu.cpp
+++ b/src/xrGame/MainMenu.cpp
@@ -369,12 +369,12 @@ void CMainMenu::IR_OnKeyboardHold(int dik)
     CDialogHolder::IR_UIOnKeyboardHold((SDL_Scancode)dik);
 };
 
-void CMainMenu::IR_OnMouseWheel(int direction)
+void CMainMenu::IR_OnMouseWheel(int x, int y)
 {
     if (!IsActive())
         return;
 
-    CDialogHolder::IR_UIOnMouseWheel(direction);
+    CDialogHolder::IR_UIOnMouseWheel(x, y);
 }
 
 bool CMainMenu::OnRenderPPUI_query() { return IsActive() && !m_Flags.test(flGameSaveScreenshot) && b_shniaganeed_pp; }
diff --git a/src/xrGame/MainMenu.h b/src/xrGame/MainMenu.h
index 672826a4112..9577bdfa361 100644
--- a/src/xrGame/MainMenu.h
+++ b/src/xrGame/MainMenu.h
@@ -150,7 +150,7 @@ class CMainMenu : public IMainMenu,
     virtual void IR_OnKeyboardRelease(int dik);
     virtual void IR_OnKeyboardHold(int dik);
 
-    virtual void IR_OnMouseWheel(int direction);
+    virtual void IR_OnMouseWheel(int x, int y);
 
     bool OnRenderPPUI_query();
     void OnRenderPPUI_main();
diff --git a/src/xrGame/UIDialogHolder.cpp b/src/xrGame/UIDialogHolder.cpp
index f9fd7b263f0..eb52fe09f29 100644
--- a/src/xrGame/UIDialogHolder.cpp
+++ b/src/xrGame/UIDialogHolder.cpp
@@ -339,7 +339,7 @@ bool CDialogHolder::IR_UIOnKeyboardHold(SDL_Scancode dik)
     return true;
 }
 
-bool CDialogHolder::IR_UIOnMouseWheel(int direction)
+bool CDialogHolder::IR_UIOnMouseWheel(int x, int y)
 {
     CUIDialogWnd* TIR = TopInputReceiver();
     if (!TIR)
@@ -349,7 +349,18 @@ bool CDialogHolder::IR_UIOnMouseWheel(int direction)
 
     Fvector2 pos = GetUICursor().GetCursorPosition();
 
-    TIR->OnMouseAction(pos.x, pos.y, (direction > 0) ? WINDOW_MOUSE_WHEEL_UP : WINDOW_MOUSE_WHEEL_DOWN);
+    // Vertical scroll is in higher priority
+    EUIMessages wheelMessage;
+    if (x > 0)
+        wheelMessage = WINDOW_MOUSE_WHEEL_UP;
+    else if (x < 0)
+        wheelMessage = WINDOW_MOUSE_WHEEL_DOWN;
+    else if (y > 0)
+        wheelMessage = WINDOW_MOUSE_WHEEL_RIGHT;
+    else
+        wheelMessage = WINDOW_MOUSE_WHEEL_LEFT;
+
+    TIR->OnMouseAction(pos.x, pos.y, wheelMessage);
     return true;
 }
 
diff --git a/src/xrGame/UIDialogHolder.h b/src/xrGame/UIDialogHolder.h
index 4db0648b514..2d85b025a7e 100644
--- a/src/xrGame/UIDialogHolder.h
+++ b/src/xrGame/UIDialogHolder.h
@@ -62,6 +62,6 @@ class CDialogHolder : public pureFrame
     virtual bool IR_UIOnKeyboardPress(SDL_Scancode dik);
     virtual bool IR_UIOnKeyboardRelease(SDL_Scancode dik);
     virtual bool IR_UIOnMouseMove(int dx, int dy);
-    virtual bool IR_UIOnMouseWheel(int direction);
+    virtual bool IR_UIOnMouseWheel(int x, int y);
     virtual bool IR_UIOnKeyboardHold(SDL_Scancode dik);
 };
diff --git a/src/xrGame/ui/UIGameTutorial.cpp b/src/xrGame/ui/UIGameTutorial.cpp
index b32c8e8bb26..b54f5c1588c 100644
--- a/src/xrGame/ui/UIGameTutorial.cpp
+++ b/src/xrGame/ui/UIGameTutorial.cpp
@@ -387,10 +387,10 @@ void CUISequencer::IR_OnKeyboardHold(int dik)
         m_pStoredInputReceiver->IR_OnKeyboardHold(dik);
 }
 
-void CUISequencer::IR_OnMouseWheel(int direction)
+void CUISequencer::IR_OnMouseWheel(int x, int y)
 {
     if (!GrabInput() && m_pStoredInputReceiver)
-        m_pStoredInputReceiver->IR_OnMouseWheel(direction);
+        m_pStoredInputReceiver->IR_OnMouseWheel(x, y);
 }
 
 void CUISequencer::IR_OnKeyboardPress(int dik)
diff --git a/src/xrGame/ui/UIGameTutorial.h b/src/xrGame/ui/UIGameTutorial.h
index dabffee8544..733961b3129 100644
--- a/src/xrGame/ui/UIGameTutorial.h
+++ b/src/xrGame/ui/UIGameTutorial.h
@@ -47,7 +47,7 @@ class CUISequencer : public pureFrame, public pureRender, public IInputReceiver
     virtual void IR_OnKeyboardRelease(int dik);
     virtual void IR_OnKeyboardHold(int dik);
 
-    virtual void IR_OnMouseWheel(int direction);
+    virtual void IR_OnMouseWheel(int x, int y);
     virtual void IR_OnActivate(void);
     bool Persistent() { return !!m_flags.test(etsPersistent); }
     fastdelegate::FastDelegate0<> m_on_destroy_event;
diff --git a/src/xrGame/ui/UIMessages.h b/src/xrGame/ui/UIMessages.h
index 66f80cece85..f2b5287c4d9 100644
--- a/src/xrGame/ui/UIMessages.h
+++ b/src/xrGame/ui/UIMessages.h
@@ -16,6 +16,8 @@ enum EUIMessages
     WINDOW_MOUSE_MOVE,
     WINDOW_MOUSE_WHEEL_UP,
     WINDOW_MOUSE_WHEEL_DOWN,
+    WINDOW_MOUSE_WHEEL_LEFT,
+    WINDOW_MOUSE_WHEEL_RIGHT,
     WINDOW_LBUTTON_DB_CLICK,
     WINDOW_KEY_PRESSED,
     WINDOW_KEY_RELEASED,
diff --git a/src/xrGame/ui/UIWindow.cpp b/src/xrGame/ui/UIWindow.cpp
index d2827938dc8..1d3f59e50d5 100644
--- a/src/xrGame/ui/UIWindow.cpp
+++ b/src/xrGame/ui/UIWindow.cpp
@@ -305,6 +305,8 @@ bool CUIWindow::OnMouseAction(float x, float y, EUIMessages mouse_action)
     case WINDOW_MOUSE_MOVE: OnMouseMove(); break;
     case WINDOW_MOUSE_WHEEL_DOWN: OnMouseScroll(WINDOW_MOUSE_WHEEL_DOWN); break;
     case WINDOW_MOUSE_WHEEL_UP: OnMouseScroll(WINDOW_MOUSE_WHEEL_UP); break;
+    case WINDOW_MOUSE_WHEEL_LEFT: OnMouseScroll(WINDOW_MOUSE_WHEEL_LEFT); break;
+    case WINDOW_MOUSE_WHEEL_RIGHT: OnMouseScroll(WINDOW_MOUSE_WHEEL_RIGHT); break;
     case WINDOW_LBUTTON_DOWN:
         if (OnMouseDown(MOUSE_1))
             return true;