diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getDocumentConversionState.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getDocumentConversionState.xml
index 08a16ac4da56238c2dd0433243517e9dfbb2be65..9092ce4198799412f72048b367979778c0ad15b1 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getDocumentConversionState.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getDocumentConversionState.xml
@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>from Products.ERP5Type.JSONEncoder import encodeInJson as dumps\n
+            <value> <string>from json import dumps\n
 \n
 catalog_object = context.portal_catalog.getResultValue(path=path)\n
 \n
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getPreferencePathList.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getPreferencePathList.xml
index 10b191036ca1375a744dd82253976c7613b3b8fb..be3c01040edc3de5be74ad4ff6f530c43b55d547 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getPreferencePathList.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getPreferencePathList.xml
@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>from Products.ERP5Type.JSONEncoder import encodeInJson as dumps\n
+            <value> <string>from json import dumps\n
 \n
 if context.portal_membership.isAnonymousUser():\n
   return dumps(None)\n
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_updateWebDocument.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_updateWebDocument.xml
index 48fc6a031d33b1ab0be9120e9e07ba073003d8ba..80d0ca1772f0d92fc6bbf9a3864240aa53475509 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_updateWebDocument.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_updateWebDocument.xml
@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>from Products.ERP5Type.JSONEncoder import encodeInJson as dumps\n
+            <value> <string>from json import dumps\n
 \n
 catalog_object = context.portal_catalog.getResultValue(path=document_path)\n
 document = context.restrictedTraverse(catalog_object.getPath())\n
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ERP5Site_loadEmailThreadData.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ERP5Site_loadEmailThreadData.xml
index e8a50d379adca0a68205e9f62113aa49f2eeb2c4..83aecb05bad77a0398b67b67322d9f3bc845d917 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ERP5Site_loadEmailThreadData.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/ERP5Site_loadEmailThreadData.xml
@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_body</string> </key>
-            <value> <string>from Products.ERP5Type.JSONEncoder import encodeInJson as dumps\n
+            <value> <string>from json import dumps\n
 \n
 portal = context.getPortalObject()\n
 form = context.REQUEST.form\n
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/WebSection_getGadgetPathList.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/WebSection_getGadgetPathList.xml
index 9817a6caf8596d01d2e3bba877600a274d0c58eb..eb8167cbad1049adcbd6340ac4a3707d40fe97be 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/WebSection_getGadgetPathList.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/WebSection_getGadgetPathList.xml
@@ -52,7 +52,7 @@
             <key> <string>_body</string> </key>
             <value> <string encoding="cdata"><![CDATA[
 
-from Products.ERP5Type.JSONEncoder import encodeInJson as dumps\n
+from json import dumps\n
 \n
 gadget_list = context.portal_catalog(portal_type="Gadget")\n
 \n
diff --git a/bt5/erp5_web_ung_theme/bt/revision b/bt5/erp5_web_ung_theme/bt/revision
index 6610e117a35d94836d6a459d7e963a2333541531..c6876402f55fcc4178060d4f0b5d16a8e23a5c96 100644
--- a/bt5/erp5_web_ung_theme/bt/revision
+++ b/bt5/erp5_web_ung_theme/bt/revision
@@ -1 +1 @@
-277
\ No newline at end of file
+278
\ No newline at end of file