diff --git a/docker-compose-prod.yml b/docker-compose-prod.yml
index d24169c..4cfb0fc 100644
--- a/docker-compose-prod.yml
+++ b/docker-compose-prod.yml
@@ -16,7 +16,7 @@ services:
       - ./app/application:/var/www/html
     environment:
       CONTAINER_ROLE: app
-      UNIT_SOURCE: '["172.16.0.0/12"]'
+      UNIT_SOURCE: '"172.16.0.0/12"'
   app-redis:
     image: redis:3.0-alpine
     #  restart: always
@@ -39,7 +39,7 @@ services:
     env_file: captcha-app/.env
     environment:
       CONTAINER_ROLE: app
-      UNIT_SOURCE: '["172.16.0.0/12"]'
+      UNIT_SOURCE: '"172.16.0.0/12"'
     ports:
       - ${DOCKER_CAPTCHA_PORT}:9000
   captcha-queue:
diff --git a/docker-compose-prod_docker-hub.yml b/docker-compose-prod_docker-hub.yml
index dd535ea..96e25cf 100644
--- a/docker-compose-prod_docker-hub.yml
+++ b/docker-compose-prod_docker-hub.yml
@@ -12,7 +12,7 @@ services:
     env_file: app/.env
     environment:
       CONTAINER_ROLE: app
-      UNIT_SOURCE: '["172.16.0.0/12"]'
+      UNIT_SOURCE: '"172.16.0.0/12"'
     volumes:
       - ./app/storage/app:/var/www/html/storage/app
       - ./app/storage/logs:/var/www/html/storage/logs
@@ -40,7 +40,7 @@ services:
       - ${DOCKER_CAPTCHA_PORT}:9000
     environment:
       CONTAINER_ROLE: app
-      UNIT_SOURCE: '["172.16.0.0/12"]'
+      UNIT_SOURCE: '"172.16.0.0/12"'
   captcha-queue:
     image: korelf/service-captcha:0.8.2
     #  restart: always