diff --git a/tests/icosagon/test_convlayer.py b/tests/icosagon/test_convlayer.py
index 636301f..a6daa99 100644
--- a/tests/icosagon/test_convlayer.py
+++ b/tests/icosagon/test_convlayer.py
@@ -124,7 +124,7 @@ def test_decagon_layer_04():
 
     seq = torch.nn.Sequential(in_layer, d_layer)
     out_d_layer = seq(None)
-    out_multi_dgca = multi_dgca(in_layer(None))
+    out_multi_dgca = multi_dgca(list(in_layer(None)))
 
     assert isinstance(out_d_layer, list)
     assert len(out_d_layer) == 1