1 files changed, 1 insertions, 1 deletions
diff --git a/src/expr.c b/src/expr.c
index 63f2c0129..0e64cd205 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1587,7 +1587,7 @@ ExprList *sqlite3ExprListAppend(
   }else if( (pList->nExpr & (pList->nExpr-1))==0 ){
     ExprList *pNew;
     pNew = sqlite3DbRealloc(db, pList, 
-             sizeof(*pList)+(2*pList->nExpr - 1)*sizeof(pList->a[0]));
+         sizeof(*pList)+(2*(sqlite3_int64)pList->nExpr-1)*sizeof(pList->a[0]));
     if( pNew==0 ){
       goto no_mem;
     }