diff --git a/eav/models.py b/eav/models.py
index d5057d3..32a028e 100644
--- a/eav/models.py
+++ b/eav/models.py
@@ -287,7 +287,7 @@ class Attribute(models.Model):
                 )
 
         if self.datatype == self.TYPE_ENUM_MULTI:
-            value = [v.value if isinstance(value, EnumValue) else v for v in value]
+            value = [v.value if isinstance(v, EnumValue) else v for v in value.all()]
             if self.enum_group.values.filter(value__in=value).count() != len(value):
                 raise ValidationError(
                     _('{val} is not a valid choice for {attr}').format(val = value, attr = self)
diff --git a/eav/validators.py b/eav/validators.py
index 999f233..6f1bb7d 100644
--- a/eav/validators.py
+++ b/eav/validators.py
@@ -103,6 +103,6 @@ def validate_enum_multi(value):
     """
     from .models import EnumValue
 
-    for single_value in value:
+    for single_value in value.all():
         if isinstance(single_value, EnumValue) and not single_value.pk:
             raise ValidationError(_(u"EnumValue has not been saved yet"))