diff --git a/reclass/datatypes/parameters.py b/reclass/datatypes/parameters.py
index c0b6e59..75b8f26 100644
--- a/reclass/datatypes/parameters.py
+++ b/reclass/datatypes/parameters.py
@@ -100,6 +100,8 @@
             values = ValueList(Value(cur))
         elif isinstance(cur, Value):
             values = ValueList(cur)
+        elif isinstance(cur, ValueList):
+            values = cur
         else:
             values = ValueList(Value(cur))