diff --git a/src/tsdb/src/tsdbRWHelper.c b/src/tsdb/src/tsdbRWHelper.c
index 9c0e05d27470d5bbc4dd0c847ab9a2ee4e0c2593..c1bfa2939b4fe1c1990c13a58f6466d75080ba74 100644
--- a/src/tsdb/src/tsdbRWHelper.c
+++ b/src/tsdb/src/tsdbRWHelper.c
@@ -160,7 +160,7 @@ int tsdbCloseHelperFile(SRWHelper *pHelper, bool hasError) {
     pHelper->files.dataF.fd = -1;
   }
   if (pHelper->files.lastF.fd > 0) {
-    if ((helperType(pHelper) == TSDB_WRITE_HELPER)) {
+    if (helperType(pHelper) == TSDB_WRITE_HELPER) {
       fsync(pHelper->files.lastF.fd);
       close(pHelper->files.lastF.fd);
     }