diff --git a/projects/synapse/compose.yaml.mako b/projects/synapse/compose.yaml.mako
index 4e8fdb3..bbe9356 100644
--- a/projects/synapse/compose.yaml.mako
+++ b/projects/synapse/compose.yaml.mako
@@ -1,6 +1,7 @@
 services:
   synapse:
     container_name: synapse
+    entrypoint: ["sh", "-c", "curl -s -f --retry 5 --retry-all-errors https://kc.viyurz.fr/; /start.py"]
     image: docker.io/matrixdotorg/synapse:latest
     network_mode: pasta:-a,${env['pasta']['synapse']['ipv4']},-a,${env['pasta']['synapse']['ipv6']}
     restart: always