1 files changed, 3 insertions, 3 deletions
diff --git a/app/models/membership_message.rb b/app/models/membership_message.rb
index b62da0a..a8b7c74 100644
--- a/app/models/membership_message.rb
+++ b/app/models/membership_message.rb
@@ -16,7 +16,7 @@
 # License along with ECS. If not, see <http://www.gnu.org/licenses/>.
 
 
-class MembershipMessage < ActiveRecord::Base
+class MembershipMessage < ApplicationRecord
   belongs_to  :membership
   belongs_to  :message
 
@@ -116,10 +116,10 @@ private
   def self.delete_relations(message, memberships=nil)
     if memberships
       memberships.each do |m|
-        destroy_all ["membership_id = ? and message_id = ?", m.id, message.id]
+        where(["membership_id = ? and message_id = ?", m.id, message.id]).destroy_all
       end
     else
-      destroy_all ["message_id = ?", message.id]
+      where(["message_id = ?", message.id]).destroy_all
     end
   end