diff --git a/Jenkinsfile b/Jenkinsfile
index f07e9d6cdd..0496fb3b43 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -106,7 +106,7 @@ stage('Build') {
 					}
 					if ( buildEnv.testJdkLauncherArgs ) {
 						state[buildEnv.tag]['additionalOptions'] = state[buildEnv.tag]['additionalOptions'] +
-								"-Ptest.jdk.launcher.args=${buildEnv.testJdkLauncherArgs}"
+								" -Ptest.jdk.launcher.args=${buildEnv.testJdkLauncherArgs}"
 					}
 					state[buildEnv.tag]['containerName'] = null;
 					stage('Checkout') {