fix volume.sls
diff --git a/cinder/volume.sls b/cinder/volume.sls
index 3f6ca84..d116fce 100644
--- a/cinder/volume.sls
+++ b/cinder/volume.sls
@@ -134,7 +134,7 @@
 
 {# old way #}
 
-{%- if volume.storage.engine is defined %}
+{%- if volume.storage is defined %}
 
 {%- if volume.storage.engine == 'iscsi' %}