diff --git a/.gitmodules b/.gitmodules
index 191c22bb4bf5dd853c15de806c5a11b48d9f62f9..0de93ddeb2191afbd96edcb149447785602fbb95 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,4 @@
 [submodule "python/ufl"]
 	path = python/ufl
 	url = https://bitbucket.org/fenics-project/ufl.git
+    ignore = untracked