diff --git a/addons/account/process/supplier_invoice_process.xml b/addons/account/process/supplier_invoice_process.xml
index 6f5526623df..65a924bf75e 100644
--- a/addons/account/process/supplier_invoice_process.xml
+++ b/addons/account/process/supplier_invoice_process.xml
@@ -68,6 +68,7 @@
             <field eval="&quot;&quot;&quot;Accounting&quot;&quot;&quot;" name="name"/>
             <field eval="&quot;&quot;&quot;Accounting entries.&quot;&quot;&quot;" name="note"/>
             <field name="process_id" ref="process_process_supplierinvoiceprocess0"/>
+            <field eval="&quot;&quot;&quot;object.state=='posted'&quot;&quot;&quot;" name="model_states"/>
             <field eval="0" name="flow_start"/>
         </record>
 
diff --git a/addons/process/process.py b/addons/process/process.py
index 524a3236e7b..3eae5cc9565 100644
--- a/addons/process/process.py
+++ b/addons/process/process.py
@@ -118,6 +118,7 @@ class process_process(osv.osv):
             data['active'] = False
             data['gray'] = False
             data['url'] = node.help_url
+            data['model_states'] = node.model_states
 
             # get assosiated workflow
             if data['model']:
@@ -198,6 +199,12 @@ class process_process(osv.osv):
             resource['name'] = refobj.name_get(context)[0][1]
             resource['perm'] = pool.get(ref_model).perm_read(cr, uid, [ref_id], context)[0]
 
+            ref_expr_context = Env(refobj, current_user)
+            try:
+                if not nodes[nid]['gray']:
+                    nodes[nid]['active'] = eval(nodes[nid]['model_states'], ref_expr_context)
+            except:
+                pass 
             for r in relatives:
                 node = nodes[r]
                 if 'res' not in node: