diff --git a/src/reflect/all_test.go b/src/reflect/all_test.go
index 33bd75fda50..c616b37008b 100644
--- a/src/reflect/all_test.go
+++ b/src/reflect/all_test.go
@@ -1693,9 +1693,9 @@ func TestCallReturnsEmpty(t *testing.T) {
 	// nonzero-sized frame and zero-sized return value.
 	runtime.GC()
 	var finalized uint32
-	f := func() (emptyStruct, *int) {
-		i := new(int)
-		runtime.SetFinalizer(i, func(*int) { atomic.StoreUint32(&finalized, 1) })
+	f := func() (emptyStruct, *[2]int64) {
+		i := new([2]int64) // big enough to not be tinyalloc'd, so finalizer always runs when i dies
+		runtime.SetFinalizer(i, func(*[2]int64) { atomic.StoreUint32(&finalized, 1) })
 		return emptyStruct{}, i
 	}
 	v := ValueOf(f).Call(nil)[0] // out[0] should not alias out[1]'s memory, so the finalizer should run.