diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java
index b25418c..6a3c161 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java
@@ -67,9 +67,10 @@
 //			String bundlePath = Activator.getDefault().getBundle().getLocation();
 			try {
 				String bundlePath = FileLocator.resolve(Activator.getDefault().getBundle().getEntry("/")).getPath();
+				String tracerClassPath = FileLocator.resolve(this.getClass().getClassLoader().getResource(Tracer.TRACER_CLASS_PATH)).getPath();
 				classpath = new String[configClasspath.length + 2];
 				System.arraycopy(configClasspath, 0, classpath, 0, configClasspath.length);
-				classpath[configClasspath.length]		= bundlePath.substring(1) + "bin/";
+				classpath[configClasspath.length]		= tracerClassPath.substring(1, tracerClassPath.length() - Tracer.TRACER_CLASS_PATH.length());
 				classpath[configClasspath.length + 1]	= bundlePath.substring(1) + Tracer.JAVASSIST_LIBRARY;
 			} catch (IOException e) {
 				classpath = configClasspath;