diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index 81a9f89dd100..07ea6f6e76b6 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -123,8 +123,9 @@ rec {
     mkdir -p /fs/dev
     mount -o bind /dev /fs/dev
 
-    mkdir -p /fs/dev /fs/dev/shm
+    mkdir -p /fs/dev/shm /fs/dev/pts
     mount -t tmpfs -o "mode=1777" none /fs/dev/shm
+    mount -t devpts none /fs/dev/pts
 
     echo "mounting Nix store..."
     mkdir -p /fs/nix/store