diff --git a/src/cmd/dist/test.go b/src/cmd/dist/test.go
index ba273d7923..005e1da86a 100644
--- a/src/cmd/dist/test.go
+++ b/src/cmd/dist/test.go
@@ -762,7 +762,7 @@ func (t *tester) registerTests() {
 			})
 		t.registerTest("GODEBUG=gccheckmark=1 runtime",
 			&goTest{
-				variant: "runtime:gcstoptheworld2",
+				variant: "runtime:gccheckmark",
 				timeout: 300 * time.Second,
 				short:   true,
 				env:     []string{"GODEBUG=gccheckmark=1"},