diff --git a/ruby/lib/jam_ruby/models/jam_track.rb b/ruby/lib/jam_ruby/models/jam_track.rb
index e8033fe41..88b67ae88 100644
--- a/ruby/lib/jam_ruby/models/jam_track.rb
+++ b/ruby/lib/jam_ruby/models/jam_track.rb
@@ -103,6 +103,7 @@ module JamRuby
       warnings << 'POSITIONS' if duplicate_positions?
       warnings << 'PREVIEWS'if missing_previews?
       warnings << 'DURATION' if duration.nil?
+      warnings << 'JMEP' if jmep_json.blank?
       warnings.join(',')
     end