diff --git a/netroute_stub.go b/netroute_stub.go
index 1235b45..e356400 100644
--- a/netroute_stub.go
+++ b/netroute_stub.go
@@ -1,6 +1,6 @@
 // A stub routing table conformant interface for js/wasm environments.
 
-//go:build js && wasm
+//go:build (js && wasm) || (wasip1 && wasm)
 
 package netroute