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1 files changed, 3 insertions, 1 deletions

diff --git a/lib/diaspora/relayable.rb b/lib/diaspora/relayable.rb
index acdd8526d..4ebbae7ce 100644
--- a/lib/diaspora/relayable.rb
+++ b/lib/diaspora/relayable.rb
@@ -69,16 +69,18 @@ module Diaspora
       #sign relayable as model creator
       self.author_signature = self.sign_with_key(author.owner.encryption_key)
 
-      if !self.post_id.blank? && self.author.owns?(self.parent)
+      if !self.parent.blank? && self.author.owns?(self.parent)
         #sign relayable as parent object owner
         self.parent_author_signature = sign_with_key(author.owner.encryption_key)
       end
     end
 
+    # @return [Boolean]
     def verify_parent_author_signature
       verify_signature(self.parent_author_signature, self.parent.author)
     end
 
+    # @return [Boolean]
     def signature_valid?
       verify_signature(self.author_signature, self.author)
     end