diff --git a/app/models/doi.rb b/app/models/doi.rb
index 65be0e111..1e6c876a8 100644
--- a/app/models/doi.rb
+++ b/app/models/doi.rb
@@ -876,7 +876,7 @@ def view_ids
   end
 
   def view_count
-    views.pluck(:total).inject(:+)
+    views.pluck(:total).inject(:+).to_i
   end
 
   def views_over_time
@@ -888,7 +888,7 @@ def download_ids
   end
 
   def download_count
-    downloads.pluck(:total).inject(:+)
+    downloads.pluck(:total).inject(:+).to_i
   end
 
   def downloads_over_time