diff --git a/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java b/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
index b6cdd94..fa05536 100644
--- a/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
+++ b/src/main/java/net/onrc/onos/core/util/PerformanceMonitor.java
@@ -256,7 +256,7 @@
         theInstance.reportStep(tag);
     }
 
-    public static void main(String args[]) {
+    public static void main(String[] args) {
         // test the measurement overhead
         String tag;
         for (int i = 0; i < 2; i++) {