diff --git a/data/theme/gnome-shell-sass/_common.scss b/data/theme/gnome-shell-sass/_common.scss
index f83b0d88f..2f05098df 100644
--- a/data/theme/gnome-shell-sass/_common.scss
+++ b/data/theme/gnome-shell-sass/_common.scss
@@ -1111,7 +1111,7 @@ StScrollBar {
   .aggregate-menu {
     min-width: 21em;
     .popup-menu-icon { padding: 0 4px; }
-    .popup-sub-menu .popup-menu-item :first-child {
+    .popup-sub-menu .popup-menu-item > :first-child {
       &:ltr { /* 12px spacing + 2*4px padding */
               padding-left: 20px; margin-left: 1.09em; }
       &:rtl { /* 12px spacing + 2*4px padding */