diff --git a/sqlalchemy_utils/types/scalar_list.py b/sqlalchemy_utils/types/scalar_list.py
index 4a79b598..d30a0915 100644
--- a/sqlalchemy_utils/types/scalar_list.py
+++ b/sqlalchemy_utils/types/scalar_list.py
@@ -54,7 +54,9 @@ class Player(Base):
 
     impl = sa.UnicodeText()
 
-    def __init__(self, coerce_func=six.text_type, separator=u','):
+    def __init__(self, length=None, coerce_func=six.text_type, separator=u','):
+        if length is not None:
+            self.impl = sa.String(length)
         self.separator = six.text_type(separator)
         self.coerce_func = coerce_func