diff --git a/pkgs/applications/virtualization/virtualbox/default.nix b/pkgs/applications/virtualization/virtualbox/default.nix
index bd1833daad2a..449c2cbac455 100644
--- a/pkgs/applications/virtualization/virtualbox/default.nix
+++ b/pkgs/applications/virtualization/virtualbox/default.nix
@@ -84,7 +84,7 @@ let
   # modsrc at all.
   withModsrc = !enableKvm;
 
-  virtualboxGuestAdditionsIso = callPackage guest-additions-iso/default.nix {
+  virtualboxGuestAdditionsIso = callPackage ./guest-additions-iso {
     inherit virtualboxVersion;
   };