diff --git a/SimApiExtensions.cs b/SimApiExtensions.cs
index dc03004..f793b57 100644
--- a/SimApiExtensions.cs
+++ b/SimApiExtensions.cs
@@ -354,6 +354,7 @@ public static class SimApiExtensions
             {
                 fwOptions.ForwardedHeaders = ForwardedHeaders.All;
                 fwOptions.KnownNetworks.Clear();
+                fwOptions.KnownProxies.Clear();
             });
         }