diff --git a/http/enable/HTTPServer/GUI.hs b/http/enable/HTTPServer/GUI.hs
--- a/http/enable/HTTPServer/GUI.hs
+++ b/http/enable/HTTPServer/GUI.hs
@@ -39,15 +39,15 @@
 methods output =
     HTTPServer.Methods {
         HTTPServer.getModuleList = do
-            (modListIn,modListOut) <- MVar.new
+            (modListIn,modListOut) <- MVar.newEmpty
             output $ GetModuleList modListIn
             MVar.take modListOut,
         HTTPServer.getModuleContent = \name -> Exc.ExceptionalT $ do
-            (contentIn,contentOut) <- MVar.new
+            (contentIn,contentOut) <- MVar.newEmpty
             output $ GetModuleContent name contentIn
             MVar.take contentOut,
         HTTPServer.updateModuleContent = \name edited -> Exc.ExceptionalT $ do
-            (newContentIn,newContentOut) <- MVar.new
+            (newContentIn,newContentOut) <- MVar.newEmpty
             output $ UpdateModuleContent name edited newContentIn
             MVar.take newContentOut
     }
diff --git a/live-sequencer.cabal b/live-sequencer.cabal
--- a/live-sequencer.cabal
+++ b/live-sequencer.cabal
@@ -1,5 +1,5 @@
 Name:          live-sequencer
-Version:       0.0.3
+Version:       0.0.3.1
 Author:        Henning Thielemann and Johannes Waldmann
 Maintainer:    Johannes Waldmann <waldmann@imn.htwk-leipzig.de>, Henning Thielemann <haskell@henning-thielemann.de>
 Category:      Sound, Music, GUI
@@ -300,7 +300,7 @@
 
 Source-Repository this
   Type: git
-  Tag: 0.0.3
+  Tag: 0.0.3.1
   Location: http://code.haskell.org/~thielema/livesequencer/
 
 Flag gui