diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SimulationTool_zGetInterpolationMethod.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SimulationTool_zGetInterpolationMethod.xml
index 4593d4e8605170abb7665fb8027d5c15133c8ab1..ca7062ed47c89a4b23f62b5de5d3cf0132bd69b1 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SimulationTool_zGetInterpolationMethod.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/SimulationTool_zGetInterpolationMethod.xml
@@ -10,7 +10,7 @@
             <key> <string>_Use_Database_Methods_Permission</string> </key>
             <value>
               <list>
-                <string>Member</string>
+                <string>Anonymous</string>
               </list>
             </value>
         </item>