diff --git a/vllm/platforms/cuda.py b/vllm/platforms/cuda.py
index dbbd0876e..fbe791f8a 100644
--- a/vllm/platforms/cuda.py
+++ b/vllm/platforms/cuda.py
@@ -362,9 +362,9 @@ class CudaPlatformBase(Platform):
         selected_index = sorted_indices[0]
         selected_backend = valid_backends_priorities[selected_index][0]
         logger.info_once(
-            "Using %s attention backend out of potential backends: %s",
+            "Using %s attention backend out of potential backends: %s.",
             selected_backend.name,
-            tuple(b[0].name for b in valid_backends_priorities),
+            "[" + ", ".join(f"'{b[0].name}'" for b in valid_backends_priorities) + "]",
             scope="local",
         )