diff --git a/Release-Procedure.md b/Release-Procedure.md
index 1b00592..57d37e4 100644
--- a/Release-Procedure.md
+++ b/Release-Procedure.md
@@ -41,6 +41,6 @@ Note: we do not rely on the archive created by GitHub because it only contains t
 Edit the GitHub release page for the tag (e.g. https://github.com/openlayers/ol3/releases/new?tag=v3.0.0-beta.3) to include a log of changes since the last release. Create the change log with: https://github.com/tschaub/github-changelog for example:
 
     sudo npm install -g github-changelog
-    gh-changelog --owner openlayers --repo ol3 --since 2014-04-07 > changelog.md
+    gh-changelog --merged --owner openlayers --repo ol3 --since 2014-04-07 > changelog.md
 
 Attach the `.zip` archive created above to the release page.
\ No newline at end of file