diff --git a/class/core/firewall_api.py b/class/core/firewall_api.py
index ec650207e..180d2791e 100755
--- a/class/core/firewall_api.py
+++ b/class/core/firewall_api.py
@@ -34,13 +34,13 @@ class firewall_api:
 
     def __init__(self):
         iptables_file = mw.systemdCfgDir() + '/iptables.service'
-        if os.path.exists(iptables_file):
-            self.__isIptables = True
         if os.path.exists('/usr/sbin/firewalld'):
             self.__isFirewalld = True
-        if os.path.exists('/usr/sbin/ufw'):
+        elif os.path.exists(iptables_file):
+            self.__isIptables = True
+        elif os.path.exists('/usr/sbin/ufw'):
             self.__isUfw = True
-        if mw.isAppleSystem():
+        elif mw.isAppleSystem():
             self.__isMac = True
 
     ##### ----- start ----- ###