diff --git a/layout/forms/resources/skin/select-dropdown.css b/layout/forms/resources/skin/select-dropdown.css
index 7bbd75fc3cee..55bd0694c8d6 100644
--- a/layout/forms/resources/skin/select-dropdown.css
+++ b/layout/forms/resources/skin/select-dropdown.css
@@ -98,6 +98,10 @@ select:focus > xul|*.select-label-box {
   color: HighlightText;
 }
 
+xul|*.select-menupopup {
+  -moz-binding: url("chrome://global/content/bindings/popup.xml#popup-scrollbars");
+}
+
 /* ..... disabled state ..... */
  
 select[disabled="true"] {
diff --git a/layout/html/forms/resources/skin/select-dropdown.css b/layout/html/forms/resources/skin/select-dropdown.css
index 7bbd75fc3cee..55bd0694c8d6 100644
--- a/layout/html/forms/resources/skin/select-dropdown.css
+++ b/layout/html/forms/resources/skin/select-dropdown.css
@@ -98,6 +98,10 @@ select:focus > xul|*.select-label-box {
   color: HighlightText;
 }
 
+xul|*.select-menupopup {
+  -moz-binding: url("chrome://global/content/bindings/popup.xml#popup-scrollbars");
+}
+
 /* ..... disabled state ..... */
  
 select[disabled="true"] {
diff --git a/themes/classic/forms/select-dropdown.css b/themes/classic/forms/select-dropdown.css
index 7bbd75fc3cee..55bd0694c8d6 100644
--- a/themes/classic/forms/select-dropdown.css
+++ b/themes/classic/forms/select-dropdown.css
@@ -98,6 +98,10 @@ select:focus > xul|*.select-label-box {
   color: HighlightText;
 }
 
+xul|*.select-menupopup {
+  -moz-binding: url("chrome://global/content/bindings/popup.xml#popup-scrollbars");
+}
+
 /* ..... disabled state ..... */
  
 select[disabled="true"] {