diff --git a/rust/proc_macro_test.go b/rust/proc_macro_test.go
index cc81938..8a95eb4 100644
--- a/rust/proc_macro_test.go
+++ b/rust/proc_macro_test.go
@@ -28,7 +28,7 @@
 	  }
 	`)
 
-	libprocmacro := ctx.ModuleForTests("libprocmacro", "linux_glibc_x86_64").Rule("rustc")
+	libprocmacro := ctx.ModuleForTests(t, "libprocmacro", "linux_glibc_x86_64").Rule("rustc")
 
 	if !strings.Contains(libprocmacro.Args["rustcFlags"], "--extern proc_macro") {
 		t.Errorf("--extern proc_macro flag not being passed to rustc for proc macro %#v", libprocmacro.Args["rustcFlags"])