diff --git a/vlib/v/gen/native/macho_test.v b/vlib/v/gen/native/macho_test.v
index 2909cad522..aea9ff4b7f 100644
--- a/vlib/v/gen/native/macho_test.v
+++ b/vlib/v/gen/native/macho_test.v
@@ -9,7 +9,9 @@ fn test_macho() {
 		pref: &pref.Preferences{}
 		out_name: 'test.bin'
 		table: ast.new_table()
-		cgen: native.Amd64{}
+		cgen: native.Amd64{
+			g: 0
+		}
 	}
 	g.generate_macho_header()
 	g.generate_macho_footer()