diff --git a/data/theme/gnome-shell-sass/_common.scss b/data/theme/gnome-shell-sass/_common.scss
index afd1be5dd..2ac87d424 100644
--- a/data/theme/gnome-shell-sass/_common.scss
+++ b/data/theme/gnome-shell-sass/_common.scss
@@ -1143,7 +1143,7 @@ StScrollBar {
 .ripple-box:rtl { border-radius: 0 0 0 52px; } // just a simple change to the border radius position
 
 // not really top bar only
-.popup-menu-arrow { width: 16px; height: 16px; }
+.popup-menu-arrow { icon-size: 1.09em; }
 .popup-menu-icon { icon-size: 1.09em; }
 
 //close buttons