diff --git a/app/assets/javascripts/app/lib/app_post/websocket.js.coffee b/app/assets/javascripts/app/lib/app_post/websocket.js.coffee
index 8c08194ba..d06ff12aa 100644
--- a/app/assets/javascripts/app/lib/app_post/websocket.js.coffee
+++ b/app/assets/javascripts/app/lib/app_post/websocket.js.coffee
@@ -244,7 +244,9 @@ class _webSocketSingleton extends App.Controller
 
         # use ajax fallback if no connection was possible
         if @backend is 'websocketPort'
-          @log 'notice', 'no websocket connection on :port/, use ajax long polling as fallback'
+          if @backend_port
+            port = ":#{@backend_port}"
+          @log 'notice', 'no websocket connection on port #{port}, use ajax long polling as fallback'
           @backend = 'ajax'
           @connect()
           return
diff --git a/script/bootstrap.sh b/script/bootstrap.sh
index dbdf47165..876067bfe 100755
--- a/script/bootstrap.sh
+++ b/script/bootstrap.sh
@@ -2,9 +2,8 @@
 
 bundle install
 
-rm -rf tmp/cache/file_store
+rm -rf tmp/cache_file_store_*
 
 rake db:create
 rake db:migrate
 rake db:seed
-