diff --git a/auto/unity_test_summary.rb b/auto/unity_test_summary.rb
index 8cf360f..e9c13b6 100644
--- a/auto/unity_test_summary.rb
+++ b/auto/unity_test_summary.rb
@@ -122,7 +122,7 @@ if $0 == __FILE__
   begin
     #look in the specified or current directory for result files
     ARGV[0] ||= './'
-    targets = "#{ARGV[0].gsub(/\\/, '/')}*.test*"
+    targets = "#{ARGV[0].gsub(/\\/, '/')}**/*.test*"
     results = Dir[targets]
     raise "No *.testpass or *.testfail files found in '#{targets}'" if results.empty?
     uts.set_targets(results)