diff --git a/obs/update_unstable.py b/obs/update_unstable.py
index 98970e2..f799166 100755
--- a/obs/update_unstable.py
+++ b/obs/update_unstable.py
@@ -9,11 +9,13 @@ from functools import lru_cache
 import logging
 import json
 from pathlib import Path
+import subprocess
 from typing import Union, Dict, Any, List, Tuple
 from urllib.parse import quote
 
 import git
 from git.repo import Repo
+from jinja2 import BaseLoader, Environment
 import requests
 import sarge
 
@@ -23,10 +25,30 @@ OBS_URL = "https://api.opensuse.org/trigger/runservice"
 MATRIX_COMMANDER = "/home/mocker/local-venv/bin/matrix-commander.py"
 REPO_TEMPLATE = "https://invent.kde.org/{}"
 
-MESSAGE_TEMPLATE = f"""
+MESSAGE_TEMPLATE = """
 ## OBS package update report
 
-Updated at {date.today().strftime('%Y-%m-%d')}
+Updated at {{ date.today().strftime('%Y-%m-%d') }}
+
+{% for repository, update in repositories.items() %}
+
+### {{ repository }}
+
+Updated {{ update | len }} packages.
+
+{% for package, remote, state in update %}
+{% if state != "error" %}
+* {{ package }} [{{ state[0:8] }}(https://commits.kde.org/{{ remote }}/{{ state }}
+{% else %}
+{ errors.append(package) }
+{% endif %}
+{% endfor %}
+
+## Packages with errors
+
+{% for error in errors %}
+* {{ error }}
+{% endfor %}
 
 """
 
@@ -156,34 +178,16 @@ class RepoUpdater:
 
 def notify_matrix(update_data: Dict[str, List[Tuple[str, str]]]) -> None:
 
-    structure = [MESSAGE_TEMPLATE]
+    template = Environment(loader=BaseLoader).from_string(MESSAGE_TEMPLATE)
 
-    structure.append("Updated packages:\n")
     errors = list()
-
-    for repo, update in update_data.items():
-        heading = f"### {repo}\n"
-        structure.append(heading)
-        structure.append(f"Updated {len(update)} packages.\n")
-
-        for package, remote, state in update:
-
-            if state != "error":
-                row = (f"* {package} - [{state[0:8]}]"
-                       f"(https://commits.kde.org/{remote}/{state})")
-                structure.append(row)
-            else:
-                errors.append(package)
-
-    structure.append("\n#### Packages with errors")
-    for errored in errors:
-        structure.append(f"* {errored}")
-
-    message = "\n".join(structure)
+    import pdb
+    pdb.set_trace()
+    message = template.render(repositories=update_data, errors=errors)
 
     cmd = [MATRIX_COMMANDER, "--markdown", "-m", message]
     logging.debug("Sending Matrix notification")
-    sarge.run(cmd)
+    sarge.run(cmd, stdout=subprocess.DEVNULL)
 
 
 def commit_changes(cache_file: str, repo_home: str) -> None: