diff --git a/setup/start/setup_infra.sh b/setup/start/setup_infra.sh
index 4c40497ec..062c7a82a 100755
--- a/setup/start/setup_infra.sh
+++ b/setup/start/setup_infra.sh
@@ -52,7 +52,7 @@ EOF
 mysql_container_id=$(docker run --restart=always -d --name="mysql" \
     -h "${arg_fqdn}" \
     -v "${DATA_DIR}/mysql:/var/lib/mysql" \
-    -v "${DATA_DIR}/addons/mysql_vars.sh:/etc/mysql/mysql_vars.sh:r" \
+    -v "${DATA_DIR}/addons/mysql_vars.sh:/etc/mysql/mysql_vars.sh:ro" \
     cloudron/mysql:0.3.0)
 echo "MySQL container id: ${mysql_container_id}"
 
@@ -64,7 +64,7 @@ EOF
 postgresql_container_id=$(docker run --restart=always -d --name="postgresql" \
     -h "${arg_fqdn}" \
     -v "${DATA_DIR}/postgresql:/var/lib/postgresql" \
-    -v "${DATA_DIR}/addons/postgresql_vars.sh:/etc/postgresql/postgresql_vars.sh:r" \
+    -v "${DATA_DIR}/addons/postgresql_vars.sh:/etc/postgresql/postgresql_vars.sh:ro" \
     cloudron/postgresql:0.3.0)
 echo "PostgreSQL container id: ${postgresql_container_id}"
 
@@ -76,7 +76,7 @@ EOF
 mongodb_container_id=$(docker run --restart=always -d --name="mongodb" \
     -h "${arg_fqdn}" \
     -v "${DATA_DIR}/mongodb:/var/lib/mongodb" \
-    -v "${DATA_DIR}/addons/mongodb_vars.sh:/etc/mongodb_vars.sh:r" \
+    -v "${DATA_DIR}/addons/mongodb_vars.sh:/etc/mongodb_vars.sh:ro" \
     cloudron/mongodb:0.3.0)
 echo "Mongodb container id: ${mongodb_container_id}"