diff --git a/tools/release_do_nothing.py b/tools/release_do_nothing.py
index c530d0c459..12514f8397 100755
--- a/tools/release_do_nothing.py
+++ b/tools/release_do_nothing.py
@@ -674,7 +674,7 @@ def merge_back(
         message = (
             f"Merge in the commits from {release_strings.branch}.\n"
             f"{merge_commit}\n"
-            f"git merge upstream/{release_strings.branch} --no-ff"
+            f"git merge upstream/{release_strings.branch} --no-ff "
             '-m "Merging release branch into main";'
         )
         _wait_for_done(message)