diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..ed496854df
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "redoxfs"]
+	path = redoxfs
+	url = https://github.com/redox-os/redoxfs.git
diff --git a/redoxfs b/redoxfs
new file mode 160000
index 0000000000..6c1d98cea8
--- /dev/null
+++ b/redoxfs
@@ -0,0 +1 @@
+Subproject commit 6c1d98cea83e2bb02b940959e6b07625ec12656f
diff --git a/src/install.rs b/src/install.rs
index 3c4d8d9457..54482ec7c4 100644
--- a/src/install.rs
+++ b/src/install.rs
@@ -190,7 +190,9 @@ pub fn install(config: Config, cookbook: Option<&str>) -> Result<(), String> {
 
         passwd.push_str(&format!("{};{};{};{};{};{};{}\n", username, password, uid, gid, name, home, shell));
     }
-    file!("etc/passwd", passwd.as_bytes());
+    if ! passwd.is_empty() {
+        file!("etc/passwd", passwd.as_bytes());
+    }
 
     Ok(())
 }