diff --git a/src/net/socks.cpp b/src/net/socks.cpp
index 433655695..18e1e8ebd 100644
--- a/src/net/socks.cpp
+++ b/src/net/socks.cpp
@@ -608,7 +608,7 @@ namespace socks
                         bytes = sizeof(v5_response_ipv6);
                     else
                     {
-                        self.done(socks::error::unexpected_version, self_);
+                        self.done(socks::error::address_type_not_supported, self_);
                         return;
                     }
                 }