1 files changed, 2 insertions, 1 deletions
diff --git a/src/expr.c b/src/expr.c
index 6a5ecfe4f..660fbff7b 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1251,7 +1251,8 @@ u32 sqlite3ExprListFlags(const ExprList *pList){
   u32 m = 0;
   if( pList ){
     for(i=0; i<pList->nExpr; i++){
-       m |= pList->a[i].pExpr->flags;
+       Expr *pExpr = pList->a[i].pExpr;
+       if( pExpr ) m |= pList->a[i].pExpr->flags;
     }
   }
   return m;