--- a/toolkit/xre/nsAppRunner.cpp
+++ b/toolkit/xre/nsAppRunner.cpp
@@ -4450,16 +4450,17 @@ XREMain::XRE_mainRun()
     if (gDoProfileReset) {
       nsresult backupCreated = ProfileResetCleanup(profileBeingReset);
       if (NS_FAILED(backupCreated)) NS_WARNING("Could not cleanup the profile that was reset");
 
       nsCOMPtr<nsIToolkitProfile> newProfile;
       rv = GetCurrentProfile(mProfileSvc, mProfD, getter_AddRefs(newProfile));
       if (NS_SUCCEEDED(rv)) {
         newProfile->SetName(gResetOldProfileName);
+        mProfileName.Assign(gResetOldProfileName);
         // Set the new profile as the default after we're done cleaning up the old profile,
         // iff that profile was already the default
         if (profileWasSelected) {
           rv = mProfileSvc->SetDefaultProfile(newProfile);
           if (NS_FAILED(rv)) NS_WARNING("Could not set current profile as the default");
         }
       } else {
         NS_WARNING("Could not find current profile to set as default / change name.");