diff --git a/src/rust-2018/module-system/index.md b/src/rust-2018/module-system/index.md
index 79a1b66a..bbc319b9 100644
--- a/src/rust-2018/module-system/index.md
+++ b/src/rust-2018/module-system/index.md
@@ -1,6 +1,6 @@
 # Module system
 
-[path clarity changes]: rust-2018/module-system/path-clarity.html
+[path clarity changes]: /rust-2018/module-system/path-clarity.html
 
 In this chapter of the guide, we discuss a few changes to the module system.
-The most notable of these are the [path clarity changes].
\ No newline at end of file
+The most notable of these are the [path clarity changes].