diff --git a/Jenkinsfile b/Jenkinsfile
index 30b549181..97f61891f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -17,10 +17,15 @@ pipeline {
             steps {
                 script {
                     env.COMPOSE_PROJECT_NAME = "${env.PROJECT_NAME}-${env.BRANCH_NAME}"
-                    env.GIT_COMMITTER_EMAIL = sh(
-                        script: 'git --no-pager show -s --format="%ae"',
-                        returnStdout: true
-                    ).trim()
+
+                    if (!env.GIT_COMMITTER_EMAIL) {
+                        env.COMMITTER_EMAIL = sh(
+                            script: 'git --no-pager show -s --format="%ae"',
+                            returnStdout: true
+                        ).trim()
+                    } else {
+                        env.COMMITTER_EMAIL = env.GIT_COMMITTER_EMAIL;
+                    }
 
                     switch (env.BRANCH_NAME) {
                         case 'master':
@@ -39,7 +44,7 @@ pipeline {
                             break
                     }
                 }
-                echo "Committer: ${env.GIT_COMMITTER_EMAIL}"
+                sh 'printenv'
             }
         }
         stage('Install') {
@@ -143,7 +148,7 @@ pipeline {
                     }
                 }
 
-                if (!env.GIT_COMMITTER_EMAIL) return
+                if (!env.COMMITTER_EMAIL) return
                 try {
                     mail(
                         to: env.GIT_COMMITTER_EMAIL,