diff --git a/docker-compose.yml b/docker-compose.yml
index c9b84fac3..438f7e0f1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -172,7 +172,7 @@ services:
 
   ui:
     restart: unless-stopped
-    image: ${DOCKER_REG}/ui:${TAG:}
+    image: ${DOCKER_REG}/ui:${TAG}
     environment:
       - 'SPRING_PROFILES_ACTIVE=prod'
       - OAUTH2_WEB_CLIENT_CONFIGURATION_SECRET=${WEB_CLIENT_CONFIGURATION_SECRET}