diff --git a/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
index a56d195dcc..8b539deed7 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
@@ -1018,7 +1018,7 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
     }
 
     public void setUsername(String username) {
-        if (StringUtils.equals(this.jdbcUrl, jdbcUrl)) {
+        if (StringUtils.equals(this.username, username)) {
             return;
         }