Running GUI demo from bin distribution does not work

[g@z:~/Go/test/infinispan.git/target/distribution/infinispan-5.2.0-SNAPSHOT]% ./bin/runGuiDemo.sh 
Skipping non-existing classpath element: /Users/g/Go/test/infinispan.git/target/distribution/infinispan-5.2.0-SNAPSHOT/modules/demos/gui
[g@z:~/Go/test/infinispan.git/target/distribution/infinispan-5.2.0-SNAPSHOT]% Exception in thread "main" java.lang.NoClassDefFoundError: org/infinispan/demo/InfinispanDemo
Caused by: java.lang.ClassNotFoundException: org.infinispan.demo.InfinispanDemo
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)