diff --git a/SConstruct b/SConstruct
index a95a77817b..3faa978087 100644
--- a/SConstruct
+++ b/SConstruct
@@ -301,7 +301,7 @@ else:
 
   qt_gui_path = os.path.join(qt_install_headers, "QtGui")
   qt_gui_dirs = [d for d in os.listdir(qt_gui_path) if os.path.isdir(os.path.join(qt_gui_path, d))]
-  qt_dirs += f"{qt_install_headers}/QtGui/{qt_gui_dirs[0]}/QtGui" if qt_gui_dirs else []
+  qt_dirs += [f"{qt_install_headers}/QtGui/{qt_gui_dirs[0]}/QtGui", ] if qt_gui_dirs else []
   qt_dirs += [f"{qt_install_headers}/Qt{m}" for m in qt_modules]
 
   qt_libs = [f"Qt5{m}" for m in qt_modules]