--- a/src/pyams_content/component/theme/zmi/manager.py	Wed Jul 11 15:23:03 2018 +0200
+++ b/src/pyams_content/component/theme/zmi/manager.py	Wed Jul 11 16:13:25 2018 +0200
@@ -60,7 +60,7 @@
 class TagsManagerEditForm(AdminDialogEditForm):
     """Tags manager edit form"""
 
-    prefix = 'manager_tags.'
+    prefix = 'manager_themes.'
 
     legend = _("Selected tags")
 
@@ -160,7 +160,7 @@
 class CollectionsManagerEditForm(AdminDialogEditForm):
     """Collections manager edit form"""
 
-    prefix = 'manager_collections.'
+    prefix = 'manager_themes.'
 
     legend = _("Selected collections")