diff --git a/cockatrice/src/interface/palette_editor/palette_editor_dialog.cpp b/cockatrice/src/interface/palette_editor/palette_editor_dialog.cpp
index 22e376364..ef0ca8b34 100644
--- a/cockatrice/src/interface/palette_editor/palette_editor_dialog.cpp
+++ b/cockatrice/src/interface/palette_editor/palette_editor_dialog.cpp
@@ -7,6 +7,7 @@
 
 #include <QApplication>
 #include <QComboBox>
+#include <QDialogButtonBox>
 #include <QFrame>
 #include <QGuiApplication>
 #include <QLabel>