diff --git a/noid.py b/noid.py
index 386183b..a173e4d 100644
--- a/noid.py
+++ b/noid.py
@@ -200,8 +200,8 @@ class Minter(Persistent):
             if self.template[-1] == "k":
                 _id = self._checkchar(_id)
                 if _id is not None:
-                    return _id
-            return _id
+                    return self.prefix + _id
+            return self.prefix + _id
 
 
 if __name__ == "__main__":