diff --git a/rally/plugins/openstack/scenarios/glance/images.py b/rally/plugins/openstack/scenarios/glance/images.py
index ebe612e1..80fd3486 100644
--- a/rally/plugins/openstack/scenarios/glance/images.py
+++ b/rally/plugins/openstack/scenarios/glance/images.py
@@ -27,6 +27,7 @@ class GlanceImages(utils.GlanceScenario, nova_utils.NovaScenario):
     RESOURCE_NAME_PREFIX = "rally_image_"
     RESOURCE_NAME_LENGTH = 16
 
+    @types.set(image_location=types.FilePathOrUrlType)
     @validation.required_services(consts.Service.GLANCE)
     @validation.required_openstack(users=True)
     @scenario.configure(context={"cleanup": ["glance"]})