diff --git a/slides/Makefile b/slides/Makefile
index 46d7e37eef2751e0c2e3f8ef7d34d6700fe75ff9..04617fb38881009e1351c1f5452eb7b493966019 100644
--- a/slides/Makefile
+++ b/slides/Makefile
@@ -27,8 +27,8 @@ all: puppeteer $(PDF) # La cible par défaut (all) exécute les cibles %.html et
 
 puppeteer:
 	@echo "Setting chromium to $(CHROMIUM) for puppeteer"
-	@echo "{\n\"executablePath\":" \"$(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
+	@echo -e "{\n\"executablePath\":" \"$(CHROMIUM)\" ",\n\"args\": [\"--no-sandbox\"]\n}" > .puppeteer.json
 
 markdown: $(MARKDOWN) # La markdown les cibles %.markdown