diff --git a/tests/servers.pm b/tests/servers.pm
index 2648babdb9..37519eeb6b 100644
--- a/tests/servers.pm
+++ b/tests/servers.pm
@@ -272,6 +272,7 @@ sub clearlocks {
 
     if(os_is_win()) {
         $dir = sys_native_abs_path($dir);
+        # Must use backslashes for handle64 to find a match
         if ($^O eq 'MSWin32') {
             $dir =~ s/\//\\/g;
         }