diff --git a/src/yunohost/firewall.py b/src/yunohost/firewall.py
index d967acd9c..9850defa5 100644
--- a/src/yunohost/firewall.py
+++ b/src/yunohost/firewall.py
@@ -399,12 +399,12 @@ def firewall_upnp(action="status", no_refresh=False):
                 for protocol in ["TCP", "UDP"]:
                     if protocol + "_TO_CLOSE" in firewall["uPnP"]:
                         for port in firewall["uPnP"][protocol + "_TO_CLOSE"]:
-                            
+
                             if not isinstance(port, int):
                                 # FIXME : how should we handle port ranges ?
                                 logger.warning("Can't use UPnP to close '%s'" % port)
                                 continue
-                            
+
                             # Clean the mapping of this port
                             if upnpc.getspecificportmapping(port, protocol):
                                 try:
@@ -414,12 +414,12 @@ def firewall_upnp(action="status", no_refresh=False):
                         firewall["uPnP"][protocol + "_TO_CLOSE"] = []
 
                     for port in firewall["uPnP"][protocol]:
-                        
+
                         if not isinstance(port, int):
                             # FIXME : how should we handle port ranges ?
                             logger.warning("Can't use UPnP to open '%s'" % port)
                             continue
-                        
+
                         # Clean the mapping of this port
                         if upnpc.getspecificportmapping(port, protocol):
                             try: