diff --git a/slides/Makefile b/slides/Makefile
index 7fcd2e0216e9addf19459038bbab781aee616029..97643c57fed2c3196f02ce7fcce88d247694e228 100644
--- a/slides/Makefile
+++ b/slides/Makefile
@@ -25,8 +25,8 @@ docker_clean: docker-compose.yml
 
 puppeteer:
 	@echo "Setting chromium to $(CHROMIUM) for puppeteer"
-	# @echo -e "{\n\"executablePath\":" \"$(CHROMIUM)\" ",\n\"args\": [\"--no-sandbox\"]\n}" > .puppeteer.json
-	@echo "{\n\"executablePath\":" \"$(CHROMIUM)\" ",\n\"args\": [\"--no-sandbox\"]\n}" > .puppeteer.json
+	@echo -e "{\n\"executablePath\":" \"$(CHROMIUM)\" ",\n\"args\": [\"--no-sandbox\"]\n}" > .puppeteer.json
+	# @echo "{\n\"executablePath\":" \"$(CHROMIUM)\" ",\n\"args\": [\"--no-sandbox\"]\n}" > .puppeteer.json
 
 index.md: gen_index.sh
 	$(shell ./gen_index.sh)