diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 52bb03466c..e100a67b93 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -2530,7 +2530,9 @@ static bool tbCntScanOptIsEligibleAggFuncs(SNodeList* pAggFuncs) {
 }
 
 static bool tbCntScanOptIsEligibleAgg(SAggLogicNode* pAgg) {
-  return tbCntScanOptIsEligibleGroupKeys(pAgg->pGroupKeys) && tbCntScanOptIsEligibleAggFuncs(pAgg->pAggFuncs);
+  return tbCntScanOptIsEligibleGroupKeys(pAgg->pGroupKeys) &&
+         (NULL != pAgg->pAggFuncs) && 
+         tbCntScanOptIsEligibleAggFuncs(pAgg->pAggFuncs);
 }
 
 static bool tbCntScanOptGetColValFromCond(SOperatorNode* pOper, SColumnNode** pCol, SValueNode** pVal) {
diff --git a/tests/script/tsim/query/tableCount.sim b/tests/script/tsim/query/tableCount.sim
index d8d9bb9b03..ac5e23273a 100644
--- a/tests/script/tsim/query/tableCount.sim
+++ b/tests/script/tsim/query/tableCount.sim
@@ -104,4 +104,9 @@ if $data62 != 5 then
   return -1
 endi
 
+sql select distinct db_name from information_schema.ins_tables;
+print $rows
+if $rows != 4 then
+  return -1
+endi
 system sh/exec.sh -n dnode1 -s stop -x SIGINT