diff --git a/tests/v1/attention/test_attention_backends.py b/tests/v1/attention/test_attention_backends.py
index 2b9b0dc1e..3a7e0aa66 100644
--- a/tests/v1/attention/test_attention_backends.py
+++ b/tests/v1/attention/test_attention_backends.py
@@ -136,7 +136,7 @@ def create_and_prepopulate_kv_cache(
     slot_mapping = common_attn_metadata.slot_mapping
 
     # Create KV cache
-    kv_cache = torch.empty(
+    kv_cache = torch.zeros(
         2, num_blocks, block_size, num_kv_heads, head_size, dtype=dtype, device=device
     )
     kv_cache_flat = kv_cache.view(2, -1, num_kv_heads, head_size)