diff --git a/css/leptonChrome.css b/css/leptonChrome.css
index 0e2116e..2e4c903 100644
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
@@ -3198,6 +3198,7 @@
   }
 }
 @supports -moz-bool-pref("userChrome.rounding.square_urlView_item") {
+  .urlbarView-row,
   .urlbarView-row-inner {
     --toolbarbutton-border-radius: 0;
   }
diff --git a/src/rounding/_square.scss b/src/rounding/_square.scss
index 6411f61..78235df 100644
--- a/src/rounding/_square.scss
+++ b/src/rounding/_square.scss
@@ -93,6 +93,7 @@
 }
 
 @include Option("userChrome.rounding.square_urlView_item") {
+  .urlbarView-row, // At FF v111 #668
   .urlbarView-row-inner {
     --toolbarbutton-border-radius: 0;
   }