diff --git a/Jenkinsfile b/Jenkinsfile
index f4c9cc4..b8c8bee 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -22,7 +22,7 @@
 // Load Jenkins shared libraries common to all projects
 def libLazy = [
 	remote:			'https://code.in.digital-me.nl/git/DEVops/JenkinsLibLazy.git',
-	branch:			master,
+	branch:			'master',
 	credentialsId:	null,
 ]
 
@@ -38,7 +38,7 @@
 // Load Jenkins shared libraries to customize this project
 def libCustom = [
 	remote:			'ssh://git@code.in.digital-me.nl:2222/DEVops/JenkinsLibCustom.git',
-	branch:			master,
+	branch:			'master',
 	credentialsId:	'bot-ci-dgm-rsa',
 ]