diff --git a/lib/simplecov.rb b/lib/simplecov.rb
index d011a340..5300f707 100644
--- a/lib/simplecov.rb
+++ b/lib/simplecov.rb
@@ -257,7 +257,8 @@ def result_exit_status(result, covered_percent)
     # @api private
     #
     def final_result_process?
-      !defined?(ParallelTests) || ParallelTests.last_process?
+      # checking for ENV["TEST_ENV_NUMBER"] to determine if the tess are being run in parallel
+      !defined?(ParallelTests) || !ENV["TEST_ENV_NUMBER"] || ParallelTests.number_of_running_processes <= 1
     end
 
     #