diff --git a/doc/_extensions/zephyr/link-roles.py b/doc/_extensions/zephyr/link-roles.py
index e72796e05b7..58d204d77f3 100644
--- a/doc/_extensions/zephyr/link-roles.py
+++ b/doc/_extensions/zephyr/link-roles.py
@@ -24,7 +24,7 @@ def get_github_rev():
     if tag:
         return tag.decode("utf-8")
     else:
-        return 'master'
+        return 'main'
 
 
 def setup(app):