diff --git a/vllm/entrypoints/openai/api_server.py b/vllm/entrypoints/openai/api_server.py
index e184f22f3630..cfd143552e2d 100644
--- a/vllm/entrypoints/openai/api_server.py
+++ b/vllm/entrypoints/openai/api_server.py
@@ -1578,8 +1578,7 @@ def buffered_iterator():
                             full_content = full_content[:2048] + ""
                             "...[truncated]"
                         logger.info(
-                            "response_body={streaming_complete: "
-                            "content='%s', chunks=%d}",
+                            "response_body={streaming_complete: content=%r, chunks=%d}",
                             full_content,
                             chunk_count,
                         )