diff --git a/src/xrCore/_matrix33.h b/src/xrCore/_matrix33.h
index b630b6f1378..9a415291063 100644
--- a/src/xrCore/_matrix33.h
+++ b/src/xrCore/_matrix33.h
@@ -310,35 +310,35 @@ struct _matrix33
         return *this;
     }
 
-    IC SelfRef MxMpV(SelfCRef M1, SelfCRef M2, const Tvector& T)
+    IC SelfRef MxMpV(SelfCRef M1, SelfCRef M2, const Tvector& V)
     {
         m[0][0] = (M1.m[0][0] * M2.m[0][0] +
             M1.m[0][1] * M2.m[1][0] +
-            M1.m[0][2] * M2.m[2][0] + T.x);
+            M1.m[0][2] * M2.m[2][0] + V.x);
         m[1][0] = (M1.m[1][0] * M2.m[0][0] +
             M1.m[1][1] * M2.m[1][0] +
-            M1.m[1][2] * M2.m[2][0] + T.y);
+            M1.m[1][2] * M2.m[2][0] + V.y);
         m[2][0] = (M1.m[2][0] * M2.m[0][0] +
             M1.m[2][1] * M2.m[1][0] +
-            M1.m[2][2] * M2.m[2][0] + T.z);
+            M1.m[2][2] * M2.m[2][0] + V.z);
         m[0][1] = (M1.m[0][0] * M2.m[0][1] +
             M1.m[0][1] * M2.m[1][1] +
-            M1.m[0][2] * M2.m[2][1] + T.x);
+            M1.m[0][2] * M2.m[2][1] + V.x);
         m[1][1] = (M1.m[1][0] * M2.m[0][1] +
             M1.m[1][1] * M2.m[1][1] +
-            M1.m[1][2] * M2.m[2][1] + T.y);
+            M1.m[1][2] * M2.m[2][1] + V.y);
         m[2][1] = (M1.m[2][0] * M2.m[0][1] +
             M1.m[2][1] * M2.m[1][1] +
-            M1.m[2][2] * M2.m[2][1] + T.z);
+            M1.m[2][2] * M2.m[2][1] + V.z);
         m[0][2] = (M1.m[0][0] * M2.m[0][2] +
             M1.m[0][1] * M2.m[1][2] +
-            M1.m[0][2] * M2.m[2][2] + T.x);
+            M1.m[0][2] * M2.m[2][2] + V.x);
         m[1][2] = (M1.m[1][0] * M2.m[0][2] +
             M1.m[1][1] * M2.m[1][2] +
-            M1.m[1][2] * M2.m[2][2] + T.y);
+            M1.m[1][2] * M2.m[2][2] + V.y);
         m[2][2] = (M1.m[2][0] * M2.m[0][2] +
             M1.m[2][1] * M2.m[1][2] +
-            M1.m[2][2] * M2.m[2][2] + T.z);
+            M1.m[2][2] * M2.m[2][2] + V.z);
         return *this;
     }