diff --git a/Makefile b/Makefile
index cb28d48..4621457 100644
--- a/Makefile
+++ b/Makefile
@@ -51,6 +51,7 @@ etcprefix = /etc/ykval
 sbinprefix = /usr/sbin
 phpprefix = /usr/share/ykval
 docprefix = /usr/share/doc/ykval
+wwwgroup = www-data
 
 install:
 	install -D .htaccess $(phpprefix)/.htaccess
@@ -60,7 +61,7 @@ install:
 	install -D ykval-sync.php $(phpprefix)/ykval-sync.php
 	install -D ykval-db.php $(phpprefix)/ykval-db.php
 	install -D ykval-daemon $(sbinprefix)/ykval-daemon
-	install -D -m 700 ykval-config.php $(etcprefix)/ykval-config.php
+	install -D --mode 640 --group $(wwwgroup) ykval-config.php $(etcprefix)/ykval-config.php
 	install -D ykval-db.sql $(docprefix)/ykval-db.sql
 	install -D $(DOCS) $(docprefix)/