diff --git a/Makefile b/Makefile
index 614a366..e436cda 100644
--- a/Makefile
+++ b/Makefile
@@ -49,9 +49,10 @@ lan-server:
 open:
 	xdg-open "http://localhost:$(PORT)" >/dev/null 2>/dev/null & disown
 
-# Update HTML on file change. Doesn't check for new files.
+# Update HTML on file change.
 watchdog:
-	find . | grep -v ".git" | entr -n -s "$(MAKE) html"
+	set -o pipefail; \
+	while :; do find . | grep -v ".git" | entr -nds "$(MAKE) html" && exit; done
 
 # Remove artefacts
 clean: