diff --git a/src/main/java/com/alibaba/druid/sql/ast/expr/SQLInListExpr.java b/src/main/java/com/alibaba/druid/sql/ast/expr/SQLInListExpr.java
index f00f786139..87c4e6b66b 100644
--- a/src/main/java/com/alibaba/druid/sql/ast/expr/SQLInListExpr.java
+++ b/src/main/java/com/alibaba/druid/sql/ast/expr/SQLInListExpr.java
@@ -35,13 +35,11 @@ public class SQLInListExpr extends SQLExprImpl implements Serializable {
     }
 
     public SQLInListExpr(SQLExpr expr){
-
-        this.expr = expr;
+        this.setExpr(expr);
     }
 
     public SQLInListExpr(SQLExpr expr, boolean not){
-
-        this.expr = expr;
+        this.setExpr(expr);
         this.not = not;
     }