diff --git a/run.sh b/run.sh
index 3c994f2..f5a35fe 100755
--- a/run.sh
+++ b/run.sh
@@ -38,7 +38,7 @@ fi
 pkill -f server.sh
 
 EXTRA_OPTS="-nographic -object rng-random,id=rng0,filename=/dev/urandom -device virtio-rng-pci,rng=rng0 -device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
-ARGS="-m ${RAM_SIZE} -machine type=q35${KVM_ACC_OPTS} ${EXTRA_OPTS} ${KVM_MON_OPTS} ${KVM_SERIAL_OPTS} ${KVM_NET_OPTS} ${KVM_DISK_OPTS}"
+ARGS="-m ${RAM_SIZE} -smp $CPU_CORES -machine type=q35${KVM_ACC_OPTS} ${EXTRA_OPTS} ${KVM_MON_OPTS} ${KVM_SERIAL_OPTS} ${KVM_NET_OPTS} ${KVM_DISK_OPTS}"
 
 eval "qemu-system-x86_64 ${ARGS}" &