diff -r e08d8e171238 -r 38058ce2a9ec cubicweb/server/edition.py
--- a/cubicweb/server/edition.py	Mon Apr 23 15:23:55 2018 +0200
+++ b/cubicweb/server/edition.py	Tue Apr 24 10:19:42 2018 +0200
@@ -155,5 +155,6 @@
         thecopy = EditedEntity(copy(self.entity))
         thecopy.entity.cw_attr_cache = copy(self.entity.cw_attr_cache)
         thecopy.entity._cw_related_cache = {}
+        thecopy.entity._cw_adapters_cache = {}
         thecopy.update(self, skipsec=False)
         return thecopy