diff --git a/app/models/school.rb b/app/models/school.rb
index 081f3c0c..fd925f9a 100644
--- a/app/models/school.rb
+++ b/app/models/school.rb
@@ -64,7 +64,7 @@ class School < ActiveRecord::Base
 
   def statistic_url
     dep = departments.where("identifier is not null").first
-    url = dep.present? ? "/colleges/#{dep.identifier}/statistics" : "/colleges/#{self.id}/statistics"
+    url = dep.present? && !dep.identifier.blank? ? "/colleges/#{dep.identifier}/statistics" : "/colleges/#{self.id}/statistics"
   end
 
   def course_act_time