diff --git a/qemu.sh b/qemu.sh
index 238371d..e7e36b2 100755
--- a/qemu.sh
+++ b/qemu.sh
@@ -2,4 +2,8 @@
 set -e
 . ./iso.sh
 
-qemu-system-$(./target-triplet-to-arch.sh $HOST) -cdrom os.iso
+if [ "$1" = "debug" ]; then
+    qemu-system-$(./target-triplet-to-arch.sh $HOST) -s -S -cdrom os.iso
+else
+    qemu-system-$(./target-triplet-to-arch.sh $HOST) -cdrom os.iso
+fi