Fixing make deb command

Change-Id: Ieb8cec9788147ee253e4516f607b20fa9e2a9b96
diff --git a/Jenkinsfile b/Jenkinsfile
index bd40a10..ce041a8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -29,7 +29,7 @@
           sh returnStdout: true, script: '/bin/bash -c make'
         }
         stage ('Create Debian file') {
-          sh returnStdout: true, script: '/bin/bash -c make deb'
+          sh returnStdout: true, script: '/bin/bash -c "make deb"'
         }
         stage ('Publish executables and DEB package to web server') {
           sh returnStdout: true, script: 'sudo mkdir -p /var/www/voltha-bal/executables'
@@ -50,4 +50,3 @@
     }
   }
 }
-