diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/interactions/Document_cached_convertable.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/interactions/Document_cached_convertable.xml
index d7f75178d50151fc1ac462f57d229491c9ec5e4a..f533296fafc9d2392c8347559f324c50a69a32a4 100644
--- a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/interactions/Document_cached_convertable.xml
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/interactions/Document_cached_convertable.xml
@@ -77,6 +77,10 @@
               <tuple/>
             </value>
         </item>
+        <item>
+            <key> <string>temporary_document_disallowed</string> </key>
+            <value> <int>1</int> </value>
+        </item>
         <item>
             <key> <string>title</string> </key>
             <value> <string></string> </value>
diff --git a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/scripts/updateContentMd5.xml b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/scripts/updateContentMd5.xml
index 2830b5f94c5e774091b645c9360c046837536dea..e687f940c805587c62f42a4183d593d3fa50aa15 100644
--- a/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/scripts/updateContentMd5.xml
+++ b/bt5/erp5_base/WorkflowTemplateItem/portal_workflow/document_conversion_interaction_workflow/scripts/updateContentMd5.xml
@@ -51,8 +51,7 @@
         <item>
             <key> <string>_body</string> </key>
             <value> <string>document = state_change[\'object\']\n
-if document.isTempObject():\n
-  return\n
+\n
 document.updateContentMd5()\n
 </string> </value>
         </item>
diff --git a/bt5/erp5_base/bt/revision b/bt5/erp5_base/bt/revision
index 7bfae052e1287ea49b5903e009ec8a5539997f8f..d17ea3a7d53f2386709dc4b126817492bee0eb84 100644
--- a/bt5/erp5_base/bt/revision
+++ b/bt5/erp5_base/bt/revision
@@ -1 +1 @@
-905
\ No newline at end of file
+908
\ No newline at end of file