diff --git a/app/models/doi.rb b/app/models/doi.rb
index 001c1fca3..39c52e18a 100644
--- a/app/models/doi.rb
+++ b/app/models/doi.rb
@@ -347,7 +347,7 @@ def self.import_one(doi_id: nil)
 
     string = doi.current_metadata.present? && doi.current_metadata.xml.to_s.start_with?('<?xml version=') ? doi.current_metadata.xml.force_encoding("UTF-8") : nil
     unless string.present?
-      logger.error "[MySQL] No metadata for DOI " + doi.doi + " found."
+      logger.error "[MySQL] No metadata for DOI " + doi.doi + " found: " + doi.current_metadata.inspect
       return nil
     end