diff --git a/Makefile b/Makefile
index 4cb4203..c62ca94 100644
--- a/Makefile
+++ b/Makefile
@@ -82,10 +82,10 @@ xterm.css:
 	sed -r -i 's|^/\*# sourceMappingURL=/.+ \*/$$||g' "$@"
 
 cmd/tls.crt:
-	openssl req -x509 -newkey rsa:4096 -keyout cmd/tls.key -out cmd/tls.crt -sha256 -days 36500 -nodes -subj "/CN=$(NAME)" --addext "subjectAltName=DNS:$(NAME),IP:10.0.0.1,IP:::1"
+	openssl req -x509 -newkey rsa:4096 -keyout cmd/tls.key -out cmd/tls.crt -sha256 -days 36500 -nodes -subj "/CN=$(NAME)" --addext "subjectAltName=DNS:$(NAME),IP:127.0.0.1,IP:::1"
 
 cmd/tls.key:
-	openssl req -x509 -newkey rsa:4096 -keyout cmd/tls.key -out cmd/tls.crt -sha256 -days 36500 -nodes -subj "/CN=$(NAME)" --addext "subjectAltName=DNS:$(NAME),IP:10.0.0.1,IP:::1"
+	openssl req -x509 -newkey rsa:4096 -keyout cmd/tls.key -out cmd/tls.crt -sha256 -days 36500 -nodes -subj "/CN=$(NAME)" --addext "subjectAltName=DNS:$(NAME),IP:127.0.0.1,IP:::1"
 
 cmd/rsa.key:
 	openssl genrsa -traditional -out cmd/rsa.key 2048