diff --git a/test/test_tiny.py b/test/test_tiny.py
index 0c18e6a0a8..72f274a6b8 100644
--- a/test/test_tiny.py
+++ b/test/test_tiny.py
@@ -134,8 +134,8 @@ class TestTiny(unittest.TestCase):
   def test_mnist_backward(self):
     # NOTE: we don't have the whole model here for speed
     layers = [
-      nn.Conv2d(1, 32, 5), Tensor.relu,
-      nn.Conv2d(32, 32, 5), Tensor.relu]
+      nn.Conv2d(1, 8, 5), Tensor.relu,
+      nn.Conv2d(8, 8, 5), Tensor.relu]
 
     # replace random weights with ones
     # TODO: there's a bug here where it's tying two of the biases together. we need UNIQUE const
@@ -144,7 +144,7 @@ class TestTiny(unittest.TestCase):
 
     # realize gradients
     for x in nn.state.get_parameters(layers): x.requires_grad_()
-    Tensor.empty(4, 1, 28, 28).sequential(layers).sum().backward()
+    Tensor.empty(4, 1, 14, 14).sequential(layers).sum().backward()
     Tensor.realize(*[x.grad for x in nn.state.get_parameters(layers) if x.grad is not None])
 
   # *** image ***