1 files changed, 1 insertions, 0 deletions
diff --git a/src/select.c b/src/select.c
index d9e0e8769..d5c65bfb2 100644
--- a/src/select.c
+++ b/src/select.c
@@ -3798,6 +3798,7 @@ static Expr *substExpr(
           ifNullRow.op = TK_IF_NULL_ROW;
           ifNullRow.pLeft = pCopy;
           ifNullRow.iTable = pSubst->iNewTable;
+          ifNullRow.iColumn = -99;
           ifNullRow.flags = EP_IfNullRow;
           pCopy = &ifNullRow;
         }