diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index 0631e9bc15..a1a8f9a59e 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -377,7 +377,7 @@ SIndexTerm* indexTermCreate(int64_t suid, SIndexOperOnColumn oper, uint8_t colTy
       taosMemoryFree(tm->colName);
       taosMemoryFree(tm);
       terrno = TSDB_CODE_OUT_OF_MEMORY;
-      return NULL
+      return NULL;
     }
     len = (int32_t)strlen(emptyStr);
   }