diff --git a/src/runtime/crash_cgo_test.go b/src/runtime/crash_cgo_test.go
index 01ffed93db..6c6576ab90 100644
--- a/src/runtime/crash_cgo_test.go
+++ b/src/runtime/crash_cgo_test.go
@@ -57,7 +57,7 @@ func TestCgoExternalThreadSIGPROF(t *testing.T) {
 	case "plan9", "windows":
 		t.Skipf("no pthreads on %s", runtime.GOOS)
 	case "darwin":
-		if runtime.GOARCH != "arm" {
+		if runtime.GOARCH != "arm" && runtime.GOARCH != "arm64" {
 			// static constructor needs external linking, but we don't support
 			// external linking on OS X 10.6.
 			out, err := exec.Command("uname", "-r").Output()
diff --git a/src/runtime/crash_test.go b/src/runtime/crash_test.go
index 7bb3d28871..975defdb60 100644
--- a/src/runtime/crash_test.go
+++ b/src/runtime/crash_test.go
@@ -42,8 +42,9 @@ func executeTest(t *testing.T, templ string, data interface{}, extra ...string)
 	case "android", "nacl":
 		t.Skipf("skipping on %s", runtime.GOOS)
 	case "darwin":
-		if runtime.GOARCH == "arm" {
-			t.Skipf("skipping on %s/%s", runtime.GOOS, runtime.GOARCH)
+		switch runtime.GOARCH {
+		case "arm", "arm64":
+			t.Skipf("skipping on %s/%s, no fork", runtime.GOOS, runtime.GOARCH)
 		}
 	}
 
diff --git a/src/runtime/runtime_test.go b/src/runtime/runtime_test.go
index 782b936548..d4cccbf084 100644
--- a/src/runtime/runtime_test.go
+++ b/src/runtime/runtime_test.go
@@ -99,8 +99,9 @@ func TestRuntimeGogoBytes(t *testing.T) {
 	case "android", "nacl":
 		t.Skipf("skipping on %s", GOOS)
 	case "darwin":
-		if GOARCH == "arm" {
-			t.Skipf("skipping on %s/%s", GOOS, GOARCH)
+		switch GOARCH {
+		case "arm", "arm64":
+			t.Skipf("skipping on %s/%s, no fork", GOOS, GOARCH)
 		}
 	}