diff --git a/nova_zvm/tests/unit/virt/zvm/test_driver.py b/nova_zvm/tests/unit/virt/zvm/test_driver.py
index befe895..8eac431 100644
--- a/nova_zvm/tests/unit/virt/zvm/test_driver.py
+++ b/nova_zvm/tests/unit/virt/zvm/test_driver.py
@@ -292,8 +292,8 @@ class ZVMDriverTestCases(test.NoDBTestCase):
         os_distro = self._image_meta.properties.os_distro
 
         self.driver.spawn(self._context, self._instance, self._image_meta,
-                          injected_files=None,
-                          admin_password=None,
+                          injected_files=None, admin_password=None,
+                          allocations=None,
                           network_info=self._network_info,
                           block_device_info=self._block_device_info,
                           flavor=self._flavor)
diff --git a/nova_zvm/virt/zvm/driver.py b/nova_zvm/virt/zvm/driver.py
index e9a7680..6f1e1ec 100644
--- a/nova_zvm/virt/zvm/driver.py
+++ b/nova_zvm/virt/zvm/driver.py
@@ -132,8 +132,8 @@ class ZVMDriver(driver.ComputeDriver):
         return self._instance_exists(instance.name)
 
     def spawn(self, context, instance, image_meta, injected_files,
-              admin_password, network_info=None, block_device_info=None,
-              flavor=None):
+              admin_password, allocations, network_info=None,
+              block_device_info=None, flavor=None):
         LOG.info(_("Spawning new instance %s on zVM hypervisor") %
                  instance['name'], instance=instance)
         # For zVM instance, limit the maximum length of instance name to \ 8