1 files changed, 1 insertions, 0 deletions
diff --git a/src/gfx_func.h b/src/gfx_func.h
index 6576dee4f..973e15f2b 100644
--- a/src/gfx_func.h
+++ b/src/gfx_func.h
@@ -145,6 +145,7 @@ bool FillDrawPixelInfo(DrawPixelInfo *n, int left, int top, int width, int heigh
 /* window.cpp */
 void DrawOverlappedWindowForAll(int left, int top, int right, int bottom);
 
+void SetMouseCursorBusy(bool busy);
 void SetMouseCursor(CursorID cursor, PaletteID pal);
 void SetAnimatedMouseCursor(const AnimCursor *table);
 void CursorTick();