diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 378c1f8c8d9..e236d3ce267 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # -*- cperl -*-
 
-# Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -474,15 +474,17 @@ sub main {
   # Send Ctrl-C to any children still running
   kill("INT", keys(%children));
 
-  # Wait for childs to exit
-  foreach my $pid (keys %children)
-  {
-    my $ret_pid= waitpid($pid, 0);
-    if ($ret_pid != $pid){
-      mtr_report("Unknown process $ret_pid exited");
-    }
-    else {
-      delete $children{$ret_pid};
+  if (!IS_WINDOWS) { 
+    # Wait for children to exit
+    foreach my $pid (keys %children)
+    {
+      my $ret_pid= waitpid($pid, 0);
+      if ($ret_pid != $pid){
+        mtr_report("Unknown process $ret_pid exited");
+      }
+      else {
+        delete $children{$ret_pid};
+      }
     }
   }