diff --git a/test/docker.rb b/test/docker.rb
index 6501d7b2b..e9090c695 100644
--- a/test/docker.rb
+++ b/test/docker.rb
@@ -45,7 +45,7 @@ class DockerTester
   end
 
   def test_container(container_id)
-    opts = { 'target' => "docker://#{container_id}" }
+    opts = { 'target' => "specinfra+docker://#{container_id}" }
     runner = Vulcano::Runner.new(nil, opts)
     runner.add_tests(@tests)
     runner.run