diff --git a/builder/vmware/common/vmx_config_test.go b/builder/vmware/common/vmx_config_test.go
index 4b8172cb0..0278ae74c 100644
--- a/builder/vmware/common/vmx_config_test.go
+++ b/builder/vmware/common/vmx_config_test.go
@@ -11,7 +11,7 @@ func TestVMXConfigPrepare(t *testing.T) {
 		"two": "bar",
 	}
 
-	errs := c.Prepare(testConfigTemplate(t))
+	errs := c.Prepare(testConfigTemplate(t), "")
 	if len(errs) > 0 {
 		t.Fatalf("bad: %#v", errs)
 	}