diff --git a/dde_ipxe/src/drivers/nic/main.cc b/dde_ipxe/src/drivers/nic/main.cc
index 9775076dd..d66d96c71 100644
--- a/dde_ipxe/src/drivers/nic/main.cc
+++ b/dde_ipxe/src/drivers/nic/main.cc
@@ -123,7 +123,7 @@ int main(int, char **)
 	 */
 	static Ipxe::Driver_factory driver_factory;
 
-	enum { STACK_SIZE = 4096 };
+	enum { STACK_SIZE = 2*sizeof(addr_t)*1024 };
 	static Cap_connection cap;
 	static Rpc_entrypoint ep(&cap, STACK_SIZE, "nic_ep");