diff --git a/Jenkinsfile b/Jenkinsfile
index b36878318..6eae1e827 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -40,11 +40,11 @@ pipeline {
       steps {
         checkout scm
 
-        def docker_image=docker.build("mr:8084/spring-petclinic:${GIT_COMMIT}")
+        def docker_image=docker.build("mr:8084/spring-petclinic:$GIT_COMMIT")
         sh 'docker login -u "$REGISTRY_USER" -p "$REGISTRY_PASS" mr:8084'
         
-        docker_image.push('${GIT_COMMIT}')
-        sh 'docker push mr:8084/spring-petclinic:${GIT_COMMIT}'
+        docker_image.push('$GIT_COMMIT')
+        sh 'docker push mr:8084/spring-petclinic:$GIT_COMMIT'
       }
     }
   }