diff --git a/bindings/java/src/net/hyperic/sigar/CpuPerc.java b/bindings/java/src/net/hyperic/sigar/CpuPerc.java
index ededb542..cbc227a2 100644
--- a/bindings/java/src/net/hyperic/sigar/CpuPerc.java
+++ b/bindings/java/src/net/hyperic/sigar/CpuPerc.java
@@ -12,7 +12,7 @@ public class CpuPerc {
 
     CpuPerc() {}
 
-    static CpuPerc calculate(Cpu oldCpu, Cpu curCpu) {
+    public static CpuPerc calculate(Cpu oldCpu, Cpu curCpu) {
         double diffUser, diffSys, diffNice, diffIdle, diffWait, diffTotal;
 
         diffUser = curCpu.getUser() - oldCpu.getUser();