1 files changed, 1 insertions, 1 deletions
diff --git a/src/expr.c b/src/expr.c
index 4404f30c1..cc915987d 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -4580,7 +4580,7 @@ static int exprNodeCanReturnSubtype(Walker *pWalker, Expr *pExpr){
   }
   assert( ExprUseXList(pExpr) );
   db = pWalker->pParse->db;
-  n = pExpr->x.pList ? pExpr->x.pList->nExpr : 0;
+  n = ALWAYS(pExpr->x.pList) ? pExpr->x.pList->nExpr : 0;
   pDef = sqlite3FindFunction(db, pExpr->u.zToken, n, ENC(db), 0);
   if( NEVER(pDef==0) || (pDef->funcFlags & SQLITE_RESULT_SUBTYPE)!=0 ){
     pWalker->eCode = 1;