diff --git a/share/ui/mac.css b/share/ui/mac.css
index 694aa6fcdb80951ad59843e998d829bef6e33123..09f32015c157dde6eb863cc6a8d38bb13582b2c1 100644
--- a/share/ui/mac.css
+++ b/share/ui/mac.css
@@ -1,4 +1,9 @@
 /* This fix a bad performance on Mac (maybe others) on some themes */
 button,
 spinbutton,
-combobox {box-shadow: none;}
\ No newline at end of file
+combobox {box-shadow: none;}
+
+/* Fix for rare macOS systems that don't load the right system font */
+* {
+    font-family: ".AppleSystemUIFont", system-ui;
+}