diff --git a/app/models/issue_relation.rb b/app/models/issue_relation.rb
index a4ad416..09bfb60 100644
--- a/app/models/issue_relation.rb
+++ b/app/models/issue_relation.rb
@@ -173,7 +173,7 @@ class IssueRelation < ActiveRecord::Base
     reverse_if_needed
 
     if TYPE_PRECEDES == relation_type
-      self.delay ||= 0
+      self.delay ||= -1
     else
       self.delay = nil
     end