diff --git a/workflows/MUSE/library.py b/workflows/MUSE/library.py
index fdd37c1fa28c73b53451049138bb5182759320ba..734f0f36863b1aaff58cebdfcea086ac77e8d6fb 100644
--- a/workflows/MUSE/library.py
+++ b/workflows/MUSE/library.py
@@ -116,6 +116,8 @@ def MUSE_string_to_file_finished(postdata, input_dict, output_dict):
         DEVSERVER = False
     fqdn = '127.0.0.1:' + port if DEVSERVER else getfqdn()
 
+    fqdn = 'http://' + fqdn
+
     fileURL = fqdn + postdata.get('fileURL')[0]
     return {'fileURL': fileURL}