diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c
index f0db0a66b5c..0741542e2da 100644
--- a/src/backend/storage/lmgr/lwlock.c
+++ b/src/backend/storage/lmgr/lwlock.c
@@ -1192,7 +1192,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
 #ifdef LWLOCK_STATS
 			lwstats->block_count++;
 #endif
-			TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(l), T_ID(l), mode);
+			TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(lock), T_ID(lock), mode);
 
 			for (;;)
 			{