diff --git a/cron.mk b/cron.mk
index bb6d894..9782a72 100644
--- a/cron.mk
+++ b/cron.mk
@@ -4,15 +4,15 @@ start-cron:
 	@- echo "\n### starting..."
 	@- $(foreach host,$(DEPLOY_HOSTS), \
 		echo "$(host)"; \
-		ssh $(SSH_USER)@$(host) "crontab -l | sed '/^#make-deploy-cron:$(DEPLOY_NAME)/,+1 d' | { cat; echo '#ck-deploy-cron:$(DEPLOY_NAME)'; cat $(DEPLOY_PATH)/$(DEPLOY_NAME)/crontab'; } | crontab -"; \
-		)
+		ssh $(SSH_USER)@$(host) "crontab -l | sed \"/^#ck-deploy-cron:$(DEPLOY_NAME)/,+1 d\" | { cat; echo \"#ck-deploy-cron:$(DEPLOY_NAME)\"; cat \"$(DEPLOY_PATH)/$(DEPLOY_NAME)/crontab\"; } | crontab -"
+	)
 	
 stop-cron:
 	@- echo "\n### stopping ..."
 	@- $(foreach host,$(DEPLOY_HOSTS), \
 		echo "$(host)"; \
-		ssh $(SSH_USER)@$(host) "crontab -l | sed '/^#make-deploy-cron:$(DEPLOY_NAME)/,+1 d' | crontab -"; \
-		)
+		ssh $(SSH_USER)@$(host) "crontab -l | sed \"/^#ck-deploy-cron:$(DEPLOY_NAME)/,+1 d\" | crontab -"
+	)
 
 pull-cron:
 	#nop