diff --git a/xbatcher/tests/test_generators.py b/xbatcher/tests/test_generators.py
index b0939dc..3665ba7 100644
--- a/xbatcher/tests/test_generators.py
+++ b/xbatcher/tests/test_generators.py
@@ -224,6 +224,7 @@ def test_batch_3d_1d_input(sample_ds_3d, input_size):
     'concat',
     [
         True,
+        False,
     ],
 )
 def test_batch_3d_1d_input_batch_dims(sample_ds_3d, concat):