diff --git a/browser/base/content/browser.xul b/browser/base/content/browser.xul
index 7839e3670384..903966397bb9 100644
--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@@ -391,7 +391,7 @@
     <panel id="customizeToolbarSheetPopup"
            noautohide="true">
       <iframe id="customizeToolbarSheetIFrame"
-              style="&dialog.style;"
+              style="&dialog.dimensions;"
               hidden="true"/>
     </panel>
 
diff --git a/toolkit/content/customizeToolbar.xul b/toolkit/content/customizeToolbar.xul
index ad16aca7876b..b69397e0218c 100644
--- a/toolkit/content/customizeToolbar.xul
+++ b/toolkit/content/customizeToolbar.xul
@@ -52,7 +52,7 @@
         title="&dialog.title;"
         onload="onLoad();"
         onunload="onUnload();"
-        style="&dialog.style;"
+        style="&dialog.dimensions;"
         persist="width height"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
diff --git a/toolkit/locales/en-US/chrome/global/customizeToolbar.dtd b/toolkit/locales/en-US/chrome/global/customizeToolbar.dtd
index f227eb4ad185..38e59f853b8c 100644
--- a/toolkit/locales/en-US/chrome/global/customizeToolbar.dtd
+++ b/toolkit/locales/en-US/chrome/global/customizeToolbar.dtd
@@ -1,5 +1,5 @@
 <!ENTITY dialog.title             "Customize Toolbar">
-<!ENTITY dialog.style             "width: 86ch; height: 36em;">
+<!ENTITY dialog.dimensions        "width: 92ch; height: 36em;">
 <!ENTITY instructions.description "You can add or remove items by dragging to or from the toolbars.">
 <!ENTITY show.label               "Show:">
 <!ENTITY iconsAndText.label       "Icons and Text">