Explicitly set build source to true
diff --git a/releng/org.eclipse.graphiti.releng/build.properties b/releng/org.eclipse.graphiti.releng/build.properties
index e96a54b..a515690 100644
--- a/releng/org.eclipse.graphiti.releng/build.properties
+++ b/releng/org.eclipse.graphiti.releng/build.properties
@@ -11,7 +11,7 @@
 
 site.pack200=false
 signing.type=eclipse.local
-#cbi.include.source=false
+cbi.include.source=true
 
 eclipse.downloads=file:/home/data/httpd/download.eclipse.org
 bm.headless.path=tools/buckminster/headless-3.6