diff --git a/run.sh b/run.sh
index 8efab11..ca335eb 100644
--- a/run.sh
+++ b/run.sh
@@ -41,7 +41,7 @@ else
     surge_command="surge"
 fi
 
-surge_command="${surge_command} $WERCKER_SURGE_DIRECTORY $WERCKER_SURGE_DOMAIN --token $WERCKER_SURGE_TOKEN"
+surge_command="${surge_command} ${WERCKER_SURGE_DIRECTORY} ${WERCKER_SURGE_DOMAIN} --token ${WERCKER_SURGE_TOKEN}"
 
 debug "$surge_command"
 
diff --git a/wercker-step.yml b/wercker-step.yml
index 82b23e4..efa34b7 100644
--- a/wercker-step.yml
+++ b/wercker-step.yml
@@ -1,5 +1,5 @@
 name: surge-deploy
-version: 0.1.4
+version: 0.1.5
 description: Deploys a directory to surge.sh.
 keywords:
   - deploy