diff --git a/src/gui/kernel/qplatformtheme.h b/src/gui/kernel/qplatformtheme.h
index 69cc2f90af..36fa7a65aa 100644
--- a/src/gui/kernel/qplatformtheme.h
+++ b/src/gui/kernel/qplatformtheme.h
@@ -164,6 +164,8 @@ public:
         SmallFont,
         MiniFont,
         FixedFont,
+        GroupBoxTitleFont,
+        TabButtonFont,
         NFonts
     };