1 files changed, 2 insertions, 1 deletions
diff --git a/src/select.c b/src/select.c
index ddaa8c06b..a22aed852 100644
--- a/src/select.c
+++ b/src/select.c
@@ -6485,7 +6485,8 @@ static int aggregateIdxEprRefToColCallback(Walker *pWalker, Expr *pExpr){
   if( pExpr->op==TK_AGG_FUNCTION ) return WRC_Continue;
   if( pExpr->op==TK_IF_NULL_ROW ) return WRC_Continue;
   pAggInfo = pExpr->pAggInfo;
-  assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn );
+  if( pExpr->iAgg>=pAggInfo->nColumn ) return WRC_Continue;
+  assert( pExpr->iAgg>=0 );
   pCol = &pAggInfo->aCol[pExpr->iAgg];
   pExpr->op = TK_AGG_COLUMN;
   pExpr->iTable = pCol->iTable;