diff --git a/utils.sh b/utils.sh
index 51008ff..a145da3 100644
--- a/utils.sh
+++ b/utils.sh
@@ -137,7 +137,7 @@
 		sa="${saveas+-o $saveas}"
 		echo "Fetch: $url -> $saveas"
 		# Use curl to support file protocol
-		curl -sLS $sa "$url"
+		curl --fail -sLS $sa "$url"
 	else
 		sa="${saveas-.}"
 		echo "Fetch: $url -> $sa"