diff --git a/docker-compose.yml b/docker-compose.yml
index 0c5ccea..227bea3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
     container_name: init-mosquitto
     user: "0:0"
     command: >
-      sh -c "mkdir /mosquitto/config/ssl &&
+      sh -c "mkdir -p /mosquitto/config/ssl &&
              cp /sources/ssl/*.* /mosquitto/config/ssl/  &&
              cp /sources/config/*.* /mosquitto/config/"
     volumes: