diff --git a/k4ever/main/views.py b/k4ever/main/views.py
index 5336b52..67a20fa 100644
--- a/k4ever/main/views.py
+++ b/k4ever/main/views.py
@@ -153,7 +153,7 @@ def pluginAuthblob(request, pluginId):
 		return render_to_response("settings/settings.html", d, RequestContext(request))
 	
 	# check, if this is equal to the old users plugin
-	pluginsWithAuthblob = PluginPermission.objects.filter(plugin=plugin, user=request.user, authblob=authblob)
+	pluginsWithAuthblob = PluginPermission.objects.filter(plugin=plugin, user=request.user, authblob__exact=authblob)
 	if pluginsWithAuthblob.count() > 0:
 		d = getPluginDict(request)
 		d['pluginerror'] = "Das ist der gleiche Authblob, den du vorher auch hattest."