diff --git a/tests/processhelp.pm b/tests/processhelp.pm
index 283188c1a2..e601399bbc 100644
--- a/tests/processhelp.pm
+++ b/tests/processhelp.pm
@@ -168,7 +168,7 @@ sub pidterm {
             $pid -= 4194304;
             if($^O ne 'MSWin32') {
                 # https://ss64.com/nt/taskkill.html
-                my $cmd = "taskkill -t -pid $pid >nul 2>&1";
+                my $cmd = "taskkill -f -t -pid $pid >nul 2>&1";
                 print "Executing: '$cmd'\n";
                 system($cmd);
                 return;