diff --git a/pycomm3/cip/data_types.py b/pycomm3/cip/data_types.py
index 1ffab37..76d6fc1 100644
--- a/pycomm3/cip/data_types.py
+++ b/pycomm3/cip/data_types.py
@@ -869,7 +869,7 @@ def decode(cls, buffer: _BufferType, length: Optional[int] = None) -> List[str]:
                 else:
                     _len = _length
 
-                _val = [cls.element_type.decode(stream) for _ in range(_length)]
+                _val = [cls.element_type.decode(stream) for _ in range(_len)]
 
                 if issubclass(cls.element_type, BitArrayType):
                     return list(chain.from_iterable(_val))