diff --git a/lib/test-driver/Machine.pm b/lib/test-driver/Machine.pm
index 68b374c86aa7..2c6646eee336 100644
--- a/lib/test-driver/Machine.pm
+++ b/lib/test-driver/Machine.pm
@@ -126,7 +126,7 @@ sub start {
         $ENV{QEMU_OPTS} =
             "-no-reboot -monitor unix:./monitor -chardev socket,id=shell,path=./shell " .
             "-device virtio-serial -device virtconsole,chardev=shell " .
-            ($showGraphics ? "-serial stdio" : "-nographic");
+            ($showGraphics ? "-serial stdio" : "-nographic") . " " . ($ENV{QEMU_OPTS} || "");
         $ENV{QEMU_KERNEL_PARAMS} = "hostTmpDir=$ENV{TMPDIR}";
         chdir $self->{stateDir} or die;
         exec $self->{startCommand};