diff --git a/pkgs/development/libraries/libvirt/default.nix b/pkgs/development/libraries/libvirt/default.nix
index 9f183365aae3..c3d1f0c90cd2 100644
--- a/pkgs/development/libraries/libvirt/default.nix
+++ b/pkgs/development/libraries/libvirt/default.nix
@@ -73,6 +73,8 @@ in stdenv.mkDerivation rec {
     "--with-esx"
     "--with-remote"
   ] ++ optionals stdenv.isLinux [
+    "QEMU_BRIDGE_HELPER=/run/wrappers/bin/qemu-bridge-helper"
+    "QEMU_PR_HELPER=/run/libvirt/nix-helpers/qemu-pr-helper"
     "--with-attr"
     "--with-apparmor"
     "--with-secdriver-apparmor"