diff --git a/.gitignore b/.gitignore
index 453b431..0fd313f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 .vagrant
 .idea
 *.swp
-tests/logs/
\ No newline at end of file
+tests/logs/
+logs/
\ No newline at end of file
diff --git a/ec2driver.py b/ec2driver.py
index 0e3ea35..d908d8d 100644
--- a/ec2driver.py
+++ b/ec2driver.py
@@ -212,7 +212,7 @@ class EC2Driver(driver.ComputeDriver):
         if user_data:
             user_data = base64.b64decode(user_data)
 
-        reservation = self.ec2_conn.run_instances(aws_ami, instance_type=flavor_type, user_data=user_data)
+        reservation = self.ec2_conn.run_instances(aws_ami, instance_type=flavor_type, placement="us-east-1d", user_data=user_data)
         ec2_instance = reservation.instances
 
         ec2_id = ec2_instance[0].id
diff --git a/tests/test_ec2driver.py b/tests/test_ec2driver.py
index 2441d62..ad98928 100644
--- a/tests/test_ec2driver.py
+++ b/tests/test_ec2driver.py
@@ -184,5 +184,20 @@ class TestEC2Driver(EC2TestBase):
         volumes = self.nova.volumes.get_server_volumes(instance.id)
         self.assertIn(volume, volumes)
 
+    @unittest.skipIf(os.environ.get('MOCK_EC2'), 'Not supported by moto')
+    def test_detach_volume(self):
+        volume = self.nova_volume.volumes.create(1, snapshot_id=None, display_name='test', display_description=None,
+                                                 volume_type=None, availability_zone=None, imageRef=None)
+        self.volumes.append(volume)
+        instance, instance_ref = self.spawn_ec2_instance()
+        self.nova.volumes.create_server_volume(instance_ref, volume.id, "/dev/sdb")
+        self.sleep_if_ec2_not_mocked(30)
+        volumes = self.nova.volumes.get_server_volumes(instance.id)
+        if volume in volumes:
+            self.nova.volumes.delete_server_volume(instance_ref, volume.id)
+            self.sleep_if_ec2_not_mocked(30)
+        volumes = self.nova.volumes.get_server_volumes(instance.id)
+        self.assertNotIn(volume, volumes)
+
 if __name__ == '__main__':
     unittest.main()