diff --git a/bindings/java/src/net/hyperic/sigar/CpuPerc.java b/bindings/java/src/net/hyperic/sigar/CpuPerc.java
index 2c51a633..bc599a4c 100644
--- a/bindings/java/src/net/hyperic/sigar/CpuPerc.java
+++ b/bindings/java/src/net/hyperic/sigar/CpuPerc.java
@@ -61,7 +61,7 @@ public class CpuPerc {
     }
 
     public double getCombined() {
-        return this.user + this.sys;
+        return this.user + this.sys + this.nice + this.wait;
     }
 
     public static String format(double val) {