diff --git a/app/models/client.rb b/app/models/client.rb
index 791f376e6..1a6538910 100644
--- a/app/models/client.rb
+++ b/app/models/client.rb
@@ -707,7 +707,12 @@ def self.export_doi_counts(query: nil)
 
     csv = [CSV.generate_line(headers)] + rows
 
-    Rails.logger.warn "Found #{csv.size - 1} repositories with missing DOIs."
+    total_missing = rows.reduce(0) do |sum, row|
+      sum = sum + row.split(",").last.to_i
+      sum
+    end
+
+    Rails.logger.warn "Found #{csv.size - 1} repositories with #{total_missing} missing DOIs."
 
     csv.join("")
   end