diff --git a/scripts/install b/scripts/install
index 00dbe4f..a6e5f51 100644
--- a/scripts/install
+++ b/scripts/install
@@ -159,7 +159,9 @@ fi
 ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions to app files
-chown -R $app:$app $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
 usermod -a -G cdrom,audio,video,plugdev,users,dialout,dip,input,netdev "$app"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index b38ec57..8517442 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -138,7 +138,9 @@ ynh_replace_string "allowed_users=console" "allowed_users=anybody" /etc/X11/Xwra
 ynh_script_progression --message="Restoring user rights..."
 
 # Restore permissions on app files
-chown -R $app:$app $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
 usermod -a -G cdrom,audio,video,plugdev,users,dialout,dip,input,netdev "$app"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 023c556..e24bf73 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -140,7 +140,9 @@ ynh_add_systemd_config
 ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions on app files
-chown -R $app:$app $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
 usermod -a -G cdrom,audio,video,plugdev,users,dialout,dip,input,netdev "$app"
 
 #=================================================