diff --git a/wasm/main.go b/wasm/main.go
index 7092d2a..77231ac 100644
--- a/wasm/main.go
+++ b/wasm/main.go
@@ -1,3 +1,5 @@
+// +build js,wasm
+
 package main
 
 import (
diff --git a/wasm/suggestions.go b/wasm/suggestions.go
index ecfdf94..14eb8eb 100644
--- a/wasm/suggestions.go
+++ b/wasm/suggestions.go
@@ -1,3 +1,5 @@
+// +build js,wasm
+
 package main
 
 import (