diff --git a/graphics/pens.c b/graphics/pens.c
index 4a9b654..2a43c78 100644
--- a/graphics/pens.c
+++ b/graphics/pens.c
@@ -27,7 +27,7 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
         DispatchMessage(&msg);
     }
 
-  return (int) msg.wParam;
+    return (int) msg.wParam;
 }
 
 LRESULT CALLBACK WndProc(HWND hwnd, UINT msg,