diff --git a/README.md b/README.md
index 4fa1bf8..278b3b8 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ useradd -r -s /sbin/nologin ddns
 ```bash
 mkdir -p /etc/ddns-service /var/lib/ddns-service /var/log/ddns-service
 chmod 750 /etc/ddns-service /var/lib/ddns-service
+chmod 770 /var/log/ddns-service
 chown ddns:root /etc/ddns-service
 chown ddns:ddns /var/lib/ddns-service /var/log/ddns-service
 ```
diff --git a/files/ddns-service-9999.ebuild b/files/ddns-service-9999.ebuild
index 95e5053..6bce145 100644
--- a/files/ddns-service-9999.ebuild
+++ b/files/ddns-service-9999.ebuild
@@ -45,6 +45,7 @@ python_install_all() {
 
 	dodoc files/config.example.toml
 
+	diropts -m770
 	keepdir /var/log/${PN}
 
 	diropts -m750