diff --git a/.drone.yml b/.drone.yml
index cfc5b85..44ca38d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -52,7 +52,6 @@ steps:
         - GRADLE_VERSION
         - JAVA_VERSION
         - CRE_VERSION
-        - CRE_PORT
       repo: *docker-registry-repo
     when:
       branch: develop
@@ -65,9 +64,8 @@ steps:
       build_args_from_env:
         - GRADLE_VERSION
         - JAVA_VERSION
-        - CRE_PORT
       build-args:
-        CRE_VERSION: *release
+        CRE_VERSION: ${DRONE_BRANCH##/**}
       repo: *docker-registry-repo
     when:
       branch: release/**