diff --git a/couchpotato/core/_base/_core/main.py b/couchpotato/core/_base/_core/main.py
index 179aa2a9..538495a8 100644
--- a/couchpotato/core/_base/_core/main.py
+++ b/couchpotato/core/_base/_core/main.py
@@ -33,7 +33,7 @@ class Core(Plugin):
         self.removeRestartFile()
 
     def md5Password(self, value):
-        return md5(value)
+        return md5(value) if value else ''
 
     def available(self):
         return jsonified({