diff --git a/tools/cooja/examples/project_debug/build.xml b/tools/cooja/examples/project_debug/build.xml
new file mode 100644
index 000000000..cd1b65564
--- /dev/null
+++ b/tools/cooja/examples/project_debug/build.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+
+<project name="GDB example" default="compile" basedir=".">
+  <property name="src" location="java"/>
+  <property name="build" location="java"/>
+
+	<property name="cooja" location="../.."/>
+	<property name="cooja_jar" value="${cooja}/dist/cooja.jar"/>
+
+  <target name="init">
+    <tstamp/>
+  </target>
+
+  <target name="compile" depends="init">
+    <mkdir dir="${build}"/>
+    <javac srcdir="${src}" destdir="${build}" debug="on">
+      <classpath>
+        <pathelement location="${cooja_jar}"/>
+      </classpath>
+    </javac>
+  </target>
+
+</project>