diff --git a/nuttx.exp b/nuttx.exp
index c494a7b..6106803 100755
--- a/nuttx.exp
+++ b/nuttx.exp
@@ -12,6 +12,7 @@ spawn qemu-system-riscv64 \
   -semihosting \
   -M virt,aclint=on \
   -cpu rv64 \
+  -bios none \
   -kernel nuttx \
   -nographic