diff --git a/vlib/v/gen/js/js.v b/vlib/v/gen/js/js.v
index 391d81c6f5..1a75273c53 100644
--- a/vlib/v/gen/js/js.v
+++ b/vlib/v/gen/js/js.v
@@ -1045,6 +1045,7 @@ fn (mut g JsGen) gen_hash_stmt(it ast.HashStmt) {
 }
 
 fn (mut g JsGen) gen_struct_decl(node ast.StructDecl) {
+	if node.name.starts_with('JS.') { return }
 	g.doc.gen_fac_fn(node.fields)
 	g.write('function ${g.js_name(node.name)}({ ')
 	for i, field in node.fields {