diff --git a/builtin/providers/test/resource_defaults_test.go b/builtin/providers/test/resource_defaults_test.go
index 79b164e1c..b2659966d 100644
--- a/builtin/providers/test/resource_defaults_test.go
+++ b/builtin/providers/test/resource_defaults_test.go
@@ -33,6 +33,89 @@ resource "test_resource_defaults" "foo" {
 	})
 }
 
+func TestResourceDefaults_change(t *testing.T) {
+	resource.UnitTest(t, resource.TestCase{
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckResourceDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: strings.TrimSpace(`
+resource "test_resource_defaults" "foo" {
+}
+				`),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "default_string", "default string",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "default_bool", "1",
+					),
+					resource.TestCheckNoResourceAttr(
+						"test_resource_defaults.foo", "nested.#",
+					),
+				),
+			},
+			{
+				Config: strings.TrimSpace(`
+resource "test_resource_defaults" "foo" {
+	default_string = "new"
+	default_bool = false
+	nested {
+		optional = "nested"
+	}
+}
+				`),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "default_string", "new",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "default_bool", "false",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "nested.#", "1",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "nested.2950978312.optional", "nested",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "nested.2950978312.string", "default nested",
+					),
+				),
+			},
+			{
+				Config: strings.TrimSpace(`
+resource "test_resource_defaults" "foo" {
+	default_string = "new"
+	default_bool = false
+	nested {
+		optional = "nested"
+		string = "new"
+	}
+}
+				`),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "default_string", "new",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "default_bool", "false",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "nested.#", "1",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "nested.782850362.optional", "nested",
+					),
+					resource.TestCheckResourceAttr(
+						"test_resource_defaults.foo", "nested.782850362.string", "new",
+					),
+				),
+			},
+		},
+	})
+}
+
 func TestResourceDefaults_inSet(t *testing.T) {
 	resource.UnitTest(t, resource.TestCase{
 		Providers:    testAccProviders,