diff --git a/settingsdialog/qtsettings.h b/settingsdialog/qtsettings.h
index 7c7f899..3946a33 100644
--- a/settingsdialog/qtsettings.h
+++ b/settingsdialog/qtsettings.h
@@ -53,7 +53,7 @@ public:
     void reevaluatePaletteAndDefaultIconTheme();
     bool isPaletteDark();
     bool hasCustomFont() const;
-    operator QtSettingsData&() const;
+    operator QtSettingsData &() const;
 
     OptionCategory *category();