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-rw-r--r--gnu/build/vm.scm1
1 files changed, 1 insertions, 0 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 372cf63c68..ac99d6b1a3 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -145,6 +145,7 @@ the #:references-graphs parameter of 'derivation'."
(_ #f))
(apply invoke qemu "-nographic" "-no-reboot"
+ "-smp" (number->string (parallel-job-count))
"-m" (number->string memory-size)
"-object" "rng-random,filename=/dev/urandom,id=guixsd-vm-rng"
"-device" "virtio-rng-pci,rng=guixsd-vm-rng"