--- a/toolkit/crashreporter/content/crashes.js
+++ b/toolkit/crashreporter/content/crashes.js
@@ -121,25 +121,23 @@ function populateReportList() {
     }
   }
 
   pendingDir = directoryService.get("UAppData", Ci.nsIFile);
   pendingDir.append("Crash Reports");
   pendingDir.append("pending");
 
   if (pendingDir.exists() && pendingDir.isDirectory()) {
-    var uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
     var entries = pendingDir.directoryEntries;
     while (entries.hasMoreElements()) {
       var file = entries.getNext().QueryInterface(Ci.nsIFile);
       var leaf = file.leafName;
-      var id = leaf.slice(0, -4);
-      if (leaf.substr(-4) == ".dmp" && uuidRegex.test(id)) {
+      if (leaf.substr(-4) == ".dmp") {
         var entry = {
-          id: id,
+          id: leaf.slice(0, -4),
           date: file.lastModifiedTime,
           pending: true
         };
         var pos = findInsertionPoint(reports, entry.date);
         reports.splice(pos, 0, entry);
       }
     }
   }