diff --git a/alpine/packages/iptables/main.ml b/alpine/packages/iptables/main.ml
index 31da8c929..23db29202 100644
--- a/alpine/packages/iptables/main.ml
+++ b/alpine/packages/iptables/main.ml
@@ -65,10 +65,10 @@ let delete ({ proto; dport; ip; port } as p) =
     let ic = open_in filename in
     let pid = int_of_string (input_line ic) in
     logf "Sending SIGTERM to %d" pid;
-    Unix.kill Sys.sigterm pid
+    Unix.kill pid Sys.sigterm
   with e ->
     logf "delete: failed to remove proxy for %s: %s" filename (Printexc.to_string e);
-    raise e
+    ()
 
 let parse_ip_port ip_port = match Astring.String.cut ~sep:":" ip_port with
   | None ->