diff --git a/bindings/java/src/org/hyperic/sigar/cmd/Runner.java b/bindings/java/src/org/hyperic/sigar/cmd/Runner.java
index a7924d63..9ae33474 100644
--- a/bindings/java/src/org/hyperic/sigar/cmd/Runner.java
+++ b/bindings/java/src/org/hyperic/sigar/cmd/Runner.java
@@ -182,6 +182,13 @@ public class Runner {
                     }
                 }
             }
+
+            if (missingJars()) {
+                String home = System.getenv("ANT_HOME"); //check for junit.jar
+                if (home != null) {
+                    addJarDir(home + "/lib");
+                }
+            }
         }
 
         Class cmd = null;