diff --git a/scripts/install b/scripts/install
index 43f78ee..0006f94 100755
--- a/scripts/install
+++ b/scripts/install
@@ -26,6 +26,7 @@ mv "$install_dir/httpsh/usr/local/bin/ttyd-login" "$install_dir/httpsh-ttyd-logi
 ynh_add_config --template="../conf/ttyd_httpsh.conf" --destination="$install_dir/ttyd_httpsh.conf"
 
 chown -R "$app:$app" "$install_dir"
+chmod 750 "$install_dir"
 
 #=================================================
 # SYSTEM CONFIGURATION
@@ -40,8 +41,9 @@ yunohost service add "$app" --description="httpsh on ttyd web terminal" --log="/
 
 mkdir "/var/log/$app"
 touch "/var/log/$app/$app.log"
+
 chown -R "$app:$app" "/var/log/$app"
-chmod -R 750 "/var/log/$app"
+chmod 750 "/var/log/$app"
 
 ynh_use_logrotate
 
diff --git a/scripts/restore b/scripts/restore
index 15bf90d..0626462 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -18,6 +18,7 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 ynh_restore_file --origin_path="$install_dir"
 
 chown -R "$app:$app" "$install_dir"
+chmod 750 "$install_dir"
 
 #=================================================
 # RESTORE SYSTEM CONFIGURATIONS
@@ -33,8 +34,9 @@ yunohost service add "$app" --description="httpsh on ttyd web terminal" --log="/
 
 mkdir "/var/log/$app"
 touch "/var/log/$app/$app.log"
+
 chown -R "$app:$app" "/var/log/$app"
-chmod -R 750 "/var/log/$app"
+chmod 750 "/var/log/$app"
 
 
 ynh_restore_file --origin_path="/etc/logrotate.d/$app"
diff --git a/scripts/upgrade b/scripts/upgrade
index 48175d6..7c818ab 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -59,10 +59,8 @@ then
     ynh_setup_source --source_id=httpsh --dest_dir="$install_dir/httpsh"
 fi
 
-# $install_dir will automatically be initialized with some decent
-# permissions by default ... however, you may need to recursively reapply
-# ownership to all files such as after the ynh_setup_source step
-chown -R "$app:$app" "$install_dir"
+chown -R "$app:$app" "/var/log/$app"
+chmod 750 "/var/log/$app"
 
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
@@ -91,7 +89,8 @@ mv "$install_dir/httpsh/usr/local/bin/ttyd-login" "$install_dir/httpsh"
 
 ynh_add_config --template="../conf/ttyd_httpsh.conf" --destination="$install_dir/ttyd_httpsh.conf"
 
-chown -R "$app:$app" "$install_dir"
+chown -R "$app:$app" "/var/log/$app"
+chmod 750 "/var/log/$app"
 
 #=================================================
 # START SYSTEMD SERVICE