diff --git a/Jenkinsfile b/Jenkinsfile
index 9d9d524..8a8222c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -24,7 +24,7 @@ def performBuild(String project){
   try {
     stage 'Cleanup & Setup'
     sh "rm -rf output-${project}-*"
-    sh "rm -rf ~/VirtualBox\ VMs/${project}-appliance-*\"
+    sh 'rm -rf "~/VirtualBox\ VMs/${project}-appliance-*\"'
     sh 'rm -rf builds'
     sh 'mkdir -p builds'