diff --git a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
index 65c363e4c3..8e8c04e9a7 100644
--- a/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+++ b/src/main/java/com/alibaba/druid/pool/DruidDataSource.java
@@ -555,7 +555,8 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
                 }
             }
 
-            ConnectionHolder last = connections[--poolingCount];
+            poolingCount--;
+            ConnectionHolder last = connections[poolingCount];
             connections[poolingCount] = null;
 
             return last;