diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c
index d2ec3960451..59347ab9518 100644
--- a/src/backend/storage/lmgr/lwlock.c
+++ b/src/backend/storage/lmgr/lwlock.c
@@ -135,7 +135,7 @@ static const char *const BuiltinTrancheNames[] = {
 	/* LWTRANCHE_XACT_BUFFER: */
 	"XactBuffer",
 	/* LWTRANCHE_COMMITTS_BUFFER: */
-	"CommitTSBuffer",
+	"CommitTsBuffer",
 	/* LWTRANCHE_SUBTRANS_BUFFER: */
 	"SubtransBuffer",
 	/* LWTRANCHE_MULTIXACTOFFSET_BUFFER: */