diff --git a/lib/vagrant/bundler.rb b/lib/vagrant/bundler.rb
index 6124eb181..c50bdb192 100644
--- a/lib/vagrant/bundler.rb
+++ b/lib/vagrant/bundler.rb
@@ -306,7 +306,7 @@ module Vagrant
           end
           source_list[name] << source
         end
-        Gem::Dependency.new(name, gem_version)
+        Gem::Dependency.new(name, *gem_version.split(","))
       end
 
       if Vagrant.strict_dependency_enforcement