diff --git a/.gitmodules b/.gitmodules
index 1d2170527..20c22bc61 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "soc/runtime/lwip"]
 	path = soc/runtime/lwip
 	url = git://git.savannah.nongnu.org/lwip.git
+    ignore = untracked