diff --git a/news/110.bugfix b/news/110.bugfix
new file mode 100644
index 00000000..93f64083
--- /dev/null
+++ b/news/110.bugfix
@@ -0,0 +1 @@
+Avoid looking up behaviors with an empty name [ale-rt]
diff --git a/plone/dexterity/schema.py b/plone/dexterity/schema.py
index 9d0afa86..444f1b7e 100644
--- a/plone/dexterity/schema.py
+++ b/plone/dexterity/schema.py
@@ -131,7 +131,7 @@ def behavior_registrations(self, fti):
         if fti is None:
             return tuple()
         registrations = []
-        for behavior_name in fti.behaviors:
+        for behavior_name in filter(None, fti.behaviors):
             registration = queryUtility(IBehavior, name=behavior_name)
             if registration is None:
                 # BBB - this case should be deprecated in v 3.0