--- a/browser/base/content/pageinfo/permissions.js
+++ b/browser/base/content/pageinfo/permissions.js
@@ -133,17 +133,19 @@ function onUnloadPermission()
 
 function initRow(aPartId)
 {
   var permissionManager = Components.classes[PERMISSION_CONTRACTID]
                                     .getService(nsIPermissionManager);
 
   var checkbox = document.getElementById(aPartId + "Def");
   var command  = document.getElementById("cmd_" + aPartId + "Toggle");
-  var perm = permissionManager.testPermission(gPermURI, aPartId);
+  // Geolocation permission consumers use testExactPermission, not testPermission. 
+  var perm = aPartId == "geo" ? permissionManager.testExactPermission(gPermURI, aPartId) :
+                                permissionManager.testPermission(gPermURI, aPartId);
   if (perm) {
     checkbox.checked = false;
     command.removeAttribute("disabled");
   }
   else {
     checkbox.checked = true;
     command.setAttribute("disabled", "true");
     perm = gPermObj[aPartId]();