diff --git a/egs/librispeech/ASR/conv_emformer_transducer_stateless/test_emformer.py b/egs/librispeech/ASR/conv_emformer_transducer_stateless/test_emformer.py
index 650c2538b..99fb0a877 100644
--- a/egs/librispeech/ASR/conv_emformer_transducer_stateless/test_emformer.py
+++ b/egs/librispeech/ASR/conv_emformer_transducer_stateless/test_emformer.py
@@ -43,8 +43,8 @@ def test_convolution_module_forward():
     right_context = torch.randn(R, B, D)
 
     utterance, right_context = conv_module(utterance, right_context)
-    assert utterance.shape == (U, B, D)
-    assert right_context.shape == (R, B, D)
+    assert utterance.shape == (U, B, D), utterance.shape
+    assert right_context.shape == (R, B, D), right_context.shape
 
 
 def test_convolution_module_infer():
@@ -71,9 +71,9 @@ def test_convolution_module_infer():
     utterance, right_context, new_cache = conv_module.infer(
         utterance, right_context, cache
     )
-    assert utterance.shape == (U, B, D)
-    assert right_context.shape == (R, B, D)
-    assert new_cache.shape == (B, D, kernel_size - 1)
+    assert utterance.shape == (U, B, D), utterance.shape
+    assert right_context.shape == (R, B, D), right_context.shape
+    assert new_cache.shape == (B, D, kernel_size - 1), new_cache.shape
 
 
 def test_state_stack_unstack():