diff --git a/tools/tools/git/git-arc.sh b/tools/tools/git/git-arc.sh
--- a/tools/tools/git/git-arc.sh
+++ b/tools/tools/git/git-arc.sh
@@ -686,7 +686,7 @@
             git checkout -f
             break
         fi
-        git commit --edit --file "$tmp" --author "${author}"
+        git commit --date="$(git show -s --format=%aI ${commit})" --edit --file "$tmp" --author "${author}"
     done
 }