diff --git a/main/webapp/WEB-INF/butterfly.properties b/main/webapp/WEB-INF/butterfly.properties
index 7b8ae069d..5d2022733 100644
--- a/main/webapp/WEB-INF/butterfly.properties
+++ b/main/webapp/WEB-INF/butterfly.properties
@@ -11,6 +11,10 @@
 
 butterfly.url = / 
 
+# ---------- Extensions -------------
+
+butterfly.default.mountpoint = /extension
+
 # ---------- Miscellaneous ----------
 
 #butterfly.locale.language = en
diff --git a/main/webapp/WEB-INF/lib-src/butterfly-trunk-sources.jar b/main/webapp/WEB-INF/lib-src/butterfly-trunk-sources.jar
index 20e4396bf..935b7ccc8 100644
Binary files a/main/webapp/WEB-INF/lib-src/butterfly-trunk-sources.jar and b/main/webapp/WEB-INF/lib-src/butterfly-trunk-sources.jar differ
diff --git a/main/webapp/WEB-INF/lib/butterfly-trunk.jar b/main/webapp/WEB-INF/lib/butterfly-trunk.jar
index 676036e03..7370f06a1 100644
Binary files a/main/webapp/WEB-INF/lib/butterfly-trunk.jar and b/main/webapp/WEB-INF/lib/butterfly-trunk.jar differ