diff --git a/templates/etc/systemd/system/matrix.service.j2 b/templates/etc/systemd/system/matrix.service.j2
index 223314f..53612f7 100644
--- a/templates/etc/systemd/system/matrix.service.j2
+++ b/templates/etc/systemd/system/matrix.service.j2
@@ -11,7 +11,7 @@ User={{ matrix_user }}
 Group={{ matrix_group }}
 
 WorkingDirectory={{ matrix_base_dir }}
-ExecStart={{ matrix_base_dir }}/env/bin/python -m synapse.app.homeserver --config-path={{ matrix_conf_dir }}/homeserver.yaml
+ExecStart={{ matrix_base_dir }}/env/bin/python -m synapse.app.homeserver --config-path={{ matrix_conf_dir }}/homeserver.yml
 
 # adjust the cache factor if necessary
 # Environment=SYNAPSE_CACHE_FACTOR=2.0
diff --git a/templates/opt/matrix/config/homeserver.yaml.j2 b/templates/opt/matrix/config/homeserver.yml.j2
similarity index 100%
rename from templates/opt/matrix/config/homeserver.yaml.j2
rename to templates/opt/matrix/config/homeserver.yml.j2