diff --git a/tests/test_models.py b/tests/test_models.py
index 4747490..15a7504 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -4,11 +4,14 @@
 from utils.models import ChristianModel
 
 
-@pytest.mark.parametrize("in_channels, num_classes", [(1, 6), (3, 6)])
-def test_christian_model(in_channels, num_classes):
-    n, c, h, w = 5, in_channels, 16, 16
+@pytest.mark.parametrize(
+    "image_shape, num_classes",
+    [((1, 16, 16), 6), ((3, 16, 16), 6)],
+)
+def test_christian_model(image_shape, num_classes):
+    n, c, h, w = 5, *image_shape
 
-    model = ChristianModel(c, num_classes)
+    model = ChristianModel(image_shape, num_classes)
 
     x = torch.randn(n, c, h, w)
     y = model(x)