diff --git a/src/vagrantfile.mk b/src/vagrantfile.mk
index 6dd21f2..2111796 100644
--- a/src/vagrantfile.mk
+++ b/src/vagrantfile.mk
@@ -16,7 +16,7 @@ Vagrant.configure("2") do |config|
   config.vm.provider "libvirt" do |l|
     l.cpus = $(OPACK_SYS_CPU)
     l.memory = $(OPACK_SYS_MEMORY)
-    libvirt.qemu_use_session = false
+    l.qemu_use_session = false
   end
 end