diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6af8adc
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "myroofs"]
+	path = myroofs
+	url = git://github.com/minetest-mods/myroofs.git
diff --git a/myroofs b/myroofs
new file mode 160000
index 0000000..6da6148
--- /dev/null
+++ b/myroofs
@@ -0,0 +1 @@
+Subproject commit 6da6148ae1e8e904d44c2869f69b37a1a36fd0dc