diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index cf8dfc1ee8..274540d789 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -119,6 +119,7 @@
 #include "RemovableDriveManager.hpp"
 #include "InstanceCheck.hpp"
 #ifdef __APPLE__
+#include "../Utils/MacDarkMode.hpp"
 #include "DeepLinkHandlerMac.h"
 #endif
 #include "NotificationManager.hpp"