diff --git a/hikaricp-java6/src/main/java/com/zaxxer/hikari/HikariConfig.java b/hikaricp-java6/src/main/java/com/zaxxer/hikari/HikariConfig.java
index 9ade527e..2a343671 100644
--- a/hikaricp-java6/src/main/java/com/zaxxer/hikari/HikariConfig.java
+++ b/hikaricp-java6/src/main/java/com/zaxxer/hikari/HikariConfig.java
@@ -679,8 +679,9 @@ public class HikariConfig implements HikariConfigMBean
          }
       }
 
-      poolName = "HikariPool-" + poolNumber++;
-
+      if (poolName == null) {
+          poolName = "HikariPool-" + poolNumber++;
+      }
       logConfiguration();
    }