diff --git a/.gitmodules b/.gitmodules
index a43d200..94d31ff 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "components"]
 	path = IPython/frontend/html/notebook/static/external
-	url = git://github.com/ipython/ipython-components
+	url = git://github.com/ipython/ipython-components.git
diff --git a/IPython/frontend/html/notebook/static/external b/IPython/frontend/html/notebook/static/external
new file mode 160000
index 0000000..fef7e17
--- /dev/null
+++ b/IPython/frontend/html/notebook/static/external
@@ -0,0 +1 @@
+Subproject commit fef7e17ecdba6a1225be91a58340b8b228cf5646