lib/vagrant-vbguest/detector.rb in vagrant-vbguest-0.3.4 vs lib/vagrant-vbguest/detector.rb in vagrant-vbguest-0.3.5

@@ -27,10 +27,14 @@
         path_platform = if Vagrant::Util::Platform.linux?
           "/usr/share/virtualbox/VBoxGuestAdditions.iso"
         elsif Vagrant::Util::Platform.darwin?
           "/Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso"
         elsif Vagrant::Util::Platform.windows?
-          File.join((ENV["PROGRAM_FILES"] || ENV["PROGRAMFILES"]), "/Oracle/VirtualBox/VBoxGuestAdditions.iso")
+          if (p = ENV["VBOX_INSTALL_PATH"]) && !p.empty?
+            File.join(p, "VBoxGuestAdditions.iso")
+          else
+            File.join((ENV["PROGRAM_FILES"] || ENV["ProgramW6432"] || ENV["PROGRAMFILES"]), "/Oracle/VirtualBox/VBoxGuestAdditions.iso")
+          end
         end
         File.exists?(path_platform) ? path_platform : nil
       end
 
       def web_iso
\ No newline at end of file