diff --git a/src/main/java/org/jvnet/winp/WinProcess.java b/src/main/java/org/jvnet/winp/WinProcess.java
index 7b68a18..65bef8f 100755
--- a/src/main/java/org/jvnet/winp/WinProcess.java
+++ b/src/main/java/org/jvnet/winp/WinProcess.java
@@ -52,7 +52,7 @@ public WinProcess(Process proc) {
 
     @Override
     public String toString() {
-        return "WinProcess pid#" + pid + " - " + commandline;
+        return "WinProcess pid#" + pid + " - " + getCommandLine();
     }
     
     /**