diff --git a/lib/core/convert.py b/lib/core/convert.py
index ffe55ef07..8f7123a00 100644
--- a/lib/core/convert.py
+++ b/lib/core/convert.py
@@ -21,7 +21,7 @@ def base64decode(value):
     'foobar'
     """
 
-    return base64.b64decode("base64")
+    return base64.b64decode(value)
 
 def base64encode(value):
     """