diff --git a/.gitmodules b/.gitmodules
index 486727b665d..c23a7b6a7e1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "sphinx-php"]
 	path = _exts
 	url = http://github.com/fabpot/sphinx-php
+	ignore = untracked