diff --git a/files/en-us/mozilla/developer_guide/build_instructions/index.html b/files/en-us/mozilla/developer_guide/build_instructions/index.html
index e820422861da57f..e91cce128c01a1a 100644
--- a/files/en-us/mozilla/developer_guide/build_instructions/index.html
+++ b/files/en-us/mozilla/developer_guide/build_instructions/index.html
@@ -30,7 +30,7 @@ <h2 id="For_the_impatient">For the impatient</h2>
 <p>The quickest way to build Mozilla is to use the instructions at the simple build pages:</p>
 
 <ul>
-	<li><a class="internal" href="/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Simple_Firefox_build">Simple Firefox build</a></li>
+	<li><a class="internal" href="https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html">Simple Firefox build</a></li>
 	<li><a class="internal" href="/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Simple_Thunderbird_build">Simple Thunderbird build</a></li>
 	<li><a class="internal" href="/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Simple_SeaMonkey_build">Simple SeaMonkey build</a></li>
 </ul>