diff --git a/src/add-ons/kernel/drivers/network/stack/kernel_stack.cpp b/src/add-ons/kernel/drivers/network/stack/kernel_stack.cpp
index 91667bfee9..720b632b4b 100644
--- a/src/add-ons/kernel/drivers/network/stack/kernel_stack.cpp
+++ b/src/add-ons/kernel/drivers/network/stack/kernel_stack.cpp
@@ -84,7 +84,7 @@ check_args_and_address(ArgType &args, sockaddr_storage &address, void *data, siz
 	if (user_memcpy(&args, data, sizeof(ArgType)) < B_OK)
 		return B_BAD_ADDRESS;
 
-	if (args.address_length > sizeof(sockaddr_storage))
+	if (copyAddress && args.address_length > sizeof(sockaddr_storage))
 		return B_BAD_VALUE;
 
 	if (copyAddress && user_memcpy(&address, args.address, args.address_length) < B_OK)