diff --git a/pomegranate/_utils.py b/pomegranate/_utils.py
index 197866aa..c68a6d36 100644
--- a/pomegranate/_utils.py
+++ b/pomegranate/_utils.py
@@ -56,7 +56,10 @@ def _cast_as_tensor(value, dtype=None):
 			return value
 		else:
 			return value.type(dtype)
-
+			
+	if isinstance(value, list) and all(isinstance(v, numpy.ndarray) for v in value):
+		value = numpy.array(value)
+		
 	if isinstance(value, (float, int, list, tuple, numpy.ndarray)):
 		if dtype is None:
 			return torch.tensor(value)