diff --git a/web_app/__init__.py b/web_app/__init__.py
index 3a5aa4f..a5be111 100644
--- a/web_app/__init__.py
+++ b/web_app/__init__.py
@@ -110,7 +110,7 @@
     tests = json.loads(request.data)
 
     if not hasattr(g, "storage"):
-        g.storage = create_storage("file://" + TEST_PATH + test_name + ".json", "", "")
+        g.storage = create_storage("file://" + TEST_PATH + '/' + test_name + ".json", "", "")
 
     for test in tests:
         g.storage.store(test)