diff --git a/src/slic3r/GUI/GalleryDialog.cpp b/src/slic3r/GUI/GalleryDialog.cpp
index 078aa82d6..73f2c42e6 100644
--- a/src/slic3r/GUI/GalleryDialog.cpp
+++ b/src/slic3r/GUI/GalleryDialog.cpp
@@ -32,6 +32,7 @@
 #include "libslic3r/AppConfig.hpp"
 #include "libslic3r/Model.hpp"
 #include "libslic3r/GCode/ThumbnailData.hpp"
+#include "../Utils/MacDarkMode.hpp"
 
 namespace Slic3r {
 namespace GUI {