diff --git a/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
index 2ae8f09340..09cddbb58d 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidAbstractDataSource.java
@@ -564,7 +564,7 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
     }
 
     public void setRemoveAbandonedTimeout(int removeAbandonedTimeout) {
-        this.removeAbandonedTimeoutMillis = removeAbandonedTimeout * 1000;
+        this.removeAbandonedTimeoutMillis = (long)removeAbandonedTimeout * 1000;
     }
 
     public void setRemoveAbandonedTimeoutMillis(long removeAbandonedTimeoutMillis) {