diff --git a/lib/parallel_tests/test/runtime_logger.rb b/lib/parallel_tests/test/runtime_logger.rb
index 095208d2..c68ba074 100644
--- a/lib/parallel_tests/test/runtime_logger.rb
+++ b/lib/parallel_tests/test/runtime_logger.rb
@@ -62,6 +62,9 @@ def log(test, time)
         def message(test, delta)
           return unless method = test.public_instance_methods(true).detect { |m| m =~ /^test_/ }
           filename = test.instance_method(method).source_location.first.sub("#{Dir.pwd}/", "")
+          unless filename.include?('_test.rb')
+            filename = Module.const_source_location(test.to_s).first.sub("#{Dir.pwd}/", "")
+          end
           "#{filename}:#{delta}"
         end