diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index 547030a431..8407a0519a 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -1290,7 +1290,7 @@ static void *tsdbDecodeTable(void *buf, STable **pRTable) {
     buf = taosDecodeFixedU64(buf, &TABLE_SUID(pTable));
     buf = tdDecodeKVRow(buf, &(pTable->tagVal));
   } else {
-    uint32_t nSchemas;
+    uint32_t nSchemas = 0;
     buf = taosDecodeFixedU8(buf, (uint8_t *)&nSchemas);
     if(nSchemas == 0) {
       buf = taosDecodeFixedU32(buf, &nSchemas);