diff --git a/conf.d/vagrant.fish b/conf.d/vagrant.fish
index 0961c60..95f4e8d 100644
--- a/conf.d/vagrant.fish
+++ b/conf.d/vagrant.fish
@@ -1 +1,3 @@
-set -gx VAGRANT_DEFAULT_PROVIDER libvirt
+if command -q vagrant
+    set -gx VAGRANT_DEFAULT_PROVIDER libvirt
+end