diff --git a/Jenkinsfile.declarative b/Jenkinsfile.declarative
index 5d3b372..2f7ada4 100644
--- a/Jenkinsfile.declarative
+++ b/Jenkinsfile.declarative
@@ -18,7 +18,7 @@ pipeline {
     stage('Test image') {
       steps {
         script {
-          dockerImage.inside("--entrypoint='/entrypoint_test.sh'") {
+          dockerImage.inside() {
             sh '/usr/bin/env'
           }
         }
diff --git a/docker/debian/Dockerfile b/docker/debian/Dockerfile
index 1614eae..740d90d 100644
--- a/docker/debian/Dockerfile
+++ b/docker/debian/Dockerfile
@@ -21,6 +21,6 @@ RUN env; set -ex ; \
 
 COPY app/*.py /app/
 COPY entrypoint.sh /entrypoint.sh
-COPY entrypoint_test.sh /entrypoint_test.sh
 
 ENTRYPOINT ["/entrypoint.sh"]
+CMD ["/usr/bin/python3", "/app/sos-milter.py"]
diff --git a/entrypoint.sh b/entrypoint.sh
index 54fa615..b6842d3 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -4,4 +4,4 @@ set -x
 set -e
 umask 0000
 ulimit -n 1024
-/usr/bin/python3 /app/sos-milter.py
+#/usr/bin/python3 /app/sos-milter.py
diff --git a/entrypoint_test.sh b/entrypoint_test.sh
deleted file mode 100755
index 8df46ee..0000000
--- a/entrypoint_test.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-
-/bin/sleep infinity