diff --git a/deterrersapi/__init__.py b/deterrersapi/__init__.py
index d7a4167..a6fa92e 100644
--- a/deterrersapi/__init__.py
+++ b/deterrersapi/__init__.py
@@ -180,7 +180,7 @@ def update(self, ipv4: str,
             data['admin_ids'] = admins
         return self.__patch('host/', data)
 
-    def action(self, ipv4: str, action: str) -> None:
+    def action(self, ipv4: str, action: str, skip_scan: bool = False) -> None:
         '''Activate firewall profile or block IP address in perimeter firewall.
 
         :param ipv4: IPv4 address to update