diff --git a/vllm/envs.py b/vllm/envs.py
index 47adf3231dd0..56ad9f2829b7 100644
--- a/vllm/envs.py
+++ b/vllm/envs.py
@@ -732,7 +732,7 @@ def maybe_convert_int(value: Optional[str]) -> Optional[int]:
 
     # IP address used for NIXL handshake between remote agents.
     "VLLM_NIXL_SIDE_CHANNEL_HOST":
-    lambda: os.getenv("VLLM_NIXL_SIZE_CHANNEL_HOST", "localhost"),
+    lambda: os.getenv("VLLM_NIXL_SIDE_CHANNEL_HOST", "localhost"),
 
     # Port used for NIXL handshake between remote agents.
     "VLLM_NIXL_SIDE_CHANNEL_PORT":