diff --git a/src/ui/themes.cpp b/src/ui/themes.cpp
index 76bc4890c926aa5ce1d9b0a0c72c4f4267d4639e..0a63c4eea4b849db10213285d98230d6ea235409 100644
--- a/src/ui/themes.cpp
+++ b/src/ui/themes.cpp
@@ -603,7 +603,7 @@ void ThemeContext::adjustGlobalFontScale(double factor) {
 
     Inkscape::CSSOStringStream os;
     os.precision(3);
-    os << "widget, menuitem, popover, box { font-size: " << factor << "rem; }\n";
+    os << "widget, menubar, menuitem, popover, box { font-size: " << factor << "rem; }\n";
 
     os << ".mono-font {";
     auto desc = getMonospacedFont();