diff --git a/openstack/blockstorage/v1/volumes/fixtures.go b/openstack/blockstorage/v1/volumes/fixtures.go
index 4bf1b95..a01ad05 100644
--- a/openstack/blockstorage/v1/volumes/fixtures.go
+++ b/openstack/blockstorage/v1/volumes/fixtures.go
@@ -61,7 +61,7 @@
 		th.TestJSONRequest(t, r, `
 {
     "volume": {
-        "size": 4
+        "size": 75
     }
 }
       `)
diff --git a/openstack/blockstorage/v1/volumes/requests_test.go b/openstack/blockstorage/v1/volumes/requests_test.go
index 8e7e33d..11b950e 100644
--- a/openstack/blockstorage/v1/volumes/requests_test.go
+++ b/openstack/blockstorage/v1/volumes/requests_test.go
@@ -64,7 +64,7 @@
 
 	MockCreateResponse(t)
 
-	options := &CreateOpts{Size: 4}
+	options := &CreateOpts{Size: 75}
 	n, err := Create(client.ServiceClient(), options).Extract()
 	th.AssertNoErr(t, err)