diff --git a/aider_gitea/__init__.py b/aider_gitea/__init__.py
index 92d34a3..1c300ee 100644
--- a/aider_gitea/__init__.py
+++ b/aider_gitea/__init__.py
@@ -174,7 +174,7 @@ def create_aider_command(issue: str) -> list[str]:
     return l
 
 
-def get_commit_messages(cwd: Path, base_branch: str, current_branch: str) -> str:
+def get_commit_messages(cwd: Path, base_branch: str, current_branch: str) -> list[str]:
     """Get commit messages between base branch and current branch.
 
     Args:
@@ -193,7 +193,7 @@ def get_commit_messages(cwd: Path, base_branch: str, current_branch: str) -> str
             capture_output=True,
             text=True,
         )
-        return result.stdout.strip()
+        return reversed(result.stdout.strip().split('\n'))
     except subprocess.CalledProcessError:
         logger.exception(f'Failed to get commit messages on branch {current_branch}')
         return ''
@@ -220,11 +220,11 @@ def push_changes(
 
     if commit_messages:
         description += '## Commit Messages\n\n'
-        for message in commit_messages.split('\n'):
+        for message in commit_messages:
             description += f'- {message}\n'
 
     # First push the branch without creating a PR
-    cmd = ['git', 'push', 'origin', branch_name]
+    cmd = ['git', 'push', 'origin', branch_name, '--force']
     run_cmd(cmd, cwd)
 
     # Then create the PR with the aider label