--- a/src/pyams_content/component/theme/zmi/manager.py	Fri Nov 13 16:32:09 2020 +0100
+++ b/src/pyams_content/component/theme/zmi/manager.py	Wed Nov 18 15:15:11 2020 +0100
@@ -116,7 +116,7 @@
 
 @pagelet_config(name='themes-manager.html', context=IThemesManagerTarget, layer=IPyAMSLayer,
                 permission=MANAGE_TOOL_PERMISSION)
-@ajax_config(name='themes.json', context=IThemesManagerTarget, layer=IPyAMSLayer)
+@ajax_config(name='themes-manager.json', context=IThemesManagerTarget, layer=IPyAMSLayer)
 class ThemesManagerEditForm(AdminDialogEditForm):
     """Themes manager edit form"""