diff --git a/python/ray/rllib/tuned_examples/pong-a3c-pytorch.yaml b/python/ray/rllib/tuned_examples/pong-a3c-pytorch.yaml
index 891c4b991..c3f608ddc 100644
--- a/python/ray/rllib/tuned_examples/pong-a3c-pytorch.yaml
+++ b/python/ray/rllib/tuned_examples/pong-a3c-pytorch.yaml
@@ -15,7 +15,7 @@ pong-a3c-pytorch-cnn:
         model:
             use_lstm: false
             channel_major: true
-            dim: 80
+            dim: 84
             grayscale: true
             zero_mean: false
         optimizer: