diff --git a/testing/scripts/invoke_qemu.sh b/testing/scripts/invoke_qemu.sh
index 607333c8..fa95f337 100755
--- a/testing/scripts/invoke_qemu.sh
+++ b/testing/scripts/invoke_qemu.sh
@@ -96,7 +96,7 @@ main() {
     elif [[ $arch == "x86_64" ]]; then
         # x86_64 uses ttyS0 for the first serial port
         bootparams+=" console=ttyS0"
-        extra_args+=" -machine accel=tcg"
+        extra_args+=" -machine accel=kvm"
     fi
 
     qemu-system-${arch} \