diff --git a/django/db/migrations/autodetector.py b/django/db/migrations/autodetector.py
index 6b2cfdd19d..cffd1a8b2f 100644
--- a/django/db/migrations/autodetector.py
+++ b/django/db/migrations/autodetector.py
@@ -438,7 +438,7 @@ class MigrationAutodetector(object):
             for base in model_state.bases:
                 if isinstance(base, six.string_types) and "." in base:
                     base_app_label, base_name = base.split(".", 1)
-                    dependencies.append((base_app_label, base_name, None, False))
+                    dependencies.append((base_app_label, base_name, None, True))
             # Generate creation operation
             self.add_operation(
                 app_label,
diff --git a/tests/migrations/test_autodetector.py b/tests/migrations/test_autodetector.py
index b09402bd82..33083c38b5 100644
--- a/tests/migrations/test_autodetector.py
+++ b/tests/migrations/test_autodetector.py
@@ -71,6 +71,7 @@ class AutodetectorTests(TestCase):
     custom_user = ModelState("thirdapp", "CustomUser", [("id", models.AutoField(primary_key=True)), ("username", models.CharField(max_length=255))], bases=(AbstractBaseUser, ))
     custom_user_no_inherit = ModelState("thirdapp", "CustomUser", [("id", models.AutoField(primary_key=True)), ("username", models.CharField(max_length=255))])
     aardvark = ModelState("thirdapp", "Aardvark", [("id", models.AutoField(primary_key=True))])
+    aardvark_based_on_author = ModelState("testapp", "Aardvark", [], bases=("testapp.Author", ))
     knight = ModelState("eggs", "Knight", [("id", models.AutoField(primary_key=True))])
     rabbit = ModelState("eggs", "Rabbit", [("id", models.AutoField(primary_key=True)), ("knight", models.ForeignKey("eggs.Knight")), ("parent", models.ForeignKey("eggs.Rabbit"))], {"unique_together": [("parent", "knight")]})
 
@@ -947,3 +948,19 @@ class AutodetectorTests(TestCase):
         self.assertOperationTypes(changes, 'thirdapp', 0, ["CreateModel", "CreateModel"])
         self.assertOperationAttributes(changes, 'thirdapp', 0, 0, name="CustomUser")
         self.assertOperationAttributes(changes, 'thirdapp', 0, 1, name="Aardvark")
+
+    @override_settings(AUTH_USER_MODEL="thirdapp.CustomUser")
+    def test_bases_first(self):
+        """
+        Tests that bases of other models come first.
+        """
+        # Make state
+        before = self.make_project_state([])
+        after = self.make_project_state([self.aardvark_based_on_author, self.author_name])
+        autodetector = MigrationAutodetector(before, after)
+        changes = autodetector._detect_changes()
+        # Right number of migrations?
+        self.assertNumberMigrations(changes, 'testapp', 1)
+        self.assertOperationTypes(changes, 'testapp', 0, ["CreateModel", "CreateModel"])
+        self.assertOperationAttributes(changes, 'testapp', 0, 0, name="Author")
+        self.assertOperationAttributes(changes, 'testapp', 0, 1, name="Aardvark")