diff --git a/imgui.h b/imgui.h
index 3da2be43e..f1592161f 100644
--- a/imgui.h
+++ b/imgui.h
@@ -295,7 +295,7 @@ namespace ImGui
     IMGUI_API int           GetFrameCount();
     IMGUI_API const char*   GetStyleColorName(ImGuiCol idx);
     IMGUI_API void          GetDefaultFontData(const void** fnt_data, unsigned int* fnt_size, const void** png_data, unsigned int* png_size);
-    IMGUI_API ImVec2        CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f);
+    IMGUI_API ImVec2        CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = true, float wrap_width = -1.0f);
 
 } // namespace ImGui