diff --git a/source/external/include/mac/Mac.h b/source/external/include/mac/Mac.h
index 2b88b858..516b5050 100644
--- a/source/external/include/mac/Mac.h
+++ b/source/external/include/mac/Mac.h
@@ -5,9 +5,9 @@
 
 namespace ExternalMac
 {
-	bool setCursorIcon(int icon);
+	bool setCursorIcon(int icon, const char *customCursor, float customX, float customY);
 }
 
 #endif
 
-#endif
\ No newline at end of file
+#endif