diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 49b58d8f3a8dfc9695fae80175f2545ac693371b..268ff5c9fb4ae65548197c7cd74456be513619cd 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -35,7 +35,7 @@
 #define TSC_MGMT_VNODE 999
 
 int      tsMasterIndex = 0;
-int      tsSlaveIndex = 1;
+int      tsSlaveIndex = 0;  // slave == master for single node edition
 uint32_t tsServerIp;
 
 int (*tscBuildMsg[TSDB_SQL_MAX])(SSqlObj *pSql);