diff --git a/core/put/source/dev_ui.cpp b/core/put/source/dev_ui.cpp
index 797fac6e..d8c42e0f 100644
--- a/core/put/source/dev_ui.cpp
+++ b/core/put/source/dev_ui.cpp
@@ -60,11 +60,15 @@ namespace
     void create_texture_atlas(float pixel_size)
     {
         ImGuiIO&  io = ImGui::GetIO();
+        ImFontConfig config;
+        config.MergeMode = true;
+        
         const Str cousine_reg = pen::os_path_for_resource("data/fonts/cousine-regular.ttf");
         io.Fonts->AddFontFromFileTTF(cousine_reg.c_str(), pixel_size);
+        
+        static const ImWchar ex_ranges[] = {0x2013, 0x2019, 0};
+        io.Fonts->AddFontFromFileTTF(cousine_reg.c_str(), pixel_size, &config, ex_ranges);
 
-        ImFontConfig config;
-        config.MergeMode = true;
         static const ImWchar icon_ranges[] = {ICON_MIN_FA, ICON_MAX_FA, 0};
         const Str            font_awesome = pen::os_path_for_resource("data/fonts/fontawesome-webfont.ttf");
         io.Fonts->AddFontFromFileTTF(font_awesome.c_str(), pixel_size, &config, icon_ranges);