diff --git a/README.md b/README.md
index 850d037..6260676 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ server.
 For more information, please refer to the following resources:
 
 * [Home page](http://he.fi/aprsc/)
-* [Contributing to the aprsc project](http://he.fi/aprsc/CONTRIBUTING.md)
+* [Contributing to the aprsc project](http://he.fi/aprsc/CONTRIBUTING.html)
 
 Have fun!