diff --git a/pipeline b/pipeline
index a88dc59..1143b18 100644
--- a/pipeline
+++ b/pipeline
@@ -2,6 +2,7 @@
 def buildTag
 def buildContext
 def distBranch
+
 pipeline {
 
     agent {
@@ -89,20 +90,33 @@ pipeline {
                     }
                     stage("Checkout ref") {
                         dir(env.projectDir) {
-                            sh """
-                            git checkout ${env.ref}
-                            """
-                            sh """
-                            git tag -am "paquet" pkg/${buildContext[-1]}/${buildContext[1]}/${buildContext[2]}/numero
-                            """
-                            sh """
-                            git tag -d ${env.ref}
-                            git push origin :${env.ref}
-                            """
-                            sh """
-                            git push --tag origin
-                            """
-                            return
+                            withCredentials([
+                                sshUserPrivateKey(credentialsId: 'jenkins-forge-ssh', keyFileVariable: 'FORGE_SSH_KEY')]) {
+                                writeFile(
+                                    file : "./sshForJenkins.sh",
+                                    text: '''
+                                    #!/bin/sh
+                                    ssh -i "${FORGE_SSH_KEY}" -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "$@"
+                                    '''
+                                )
+                                sh(script: "chmod +x ./sshForJenkins.sh")
+                                withEnv(["GIT_SSH=./sshForJenkins.sh"]) {
+                                    sh """
+                                    git checkout ${env.ref}
+                                    """
+                                    sh """
+                                    git tag -am "paquet" pkg/${buildContext[-1]}/${buildContext[1]}/${buildContext[2]}/numero
+                                    """
+                                    sh """
+                                    git tag -d ${env.ref}
+                                    git push origin :${env.ref}
+                                    """
+                                    sh """
+                                    git push --tag origin
+                                    """
+                                    return
+                                }
+                            }
                         }
                     }