diff --git a/core/os/wasm.odin b/core/os/wasm.odin
index 5153a3f93..79c00f694 100644
--- a/core/os/wasm.odin
+++ b/core/os/wasm.odin
@@ -1,4 +1,4 @@
-#+build wasm32, wasm64p32
+#+build js wasm32, js wasm64p32
 package os
 
 #panic("core:os is unsupported on js/wasm")
\ No newline at end of file