diff --git a/lib/serverspec/type/docker_base.rb b/lib/serverspec/type/docker_base.rb
index b5105b69..5e465c3f 100644
--- a/lib/serverspec/type/docker_base.rb
+++ b/lib/serverspec/type/docker_base.rb
@@ -9,7 +9,8 @@ def exist?
     def [](key)
       value = inspection
       key.split('.').each do |k|
-        value = value[k]
+        is_index = k.start_with?('[') && k.end_with?(']')
+        value = value[is_index ? k.to_i : k]
       end
       value
     end
diff --git a/spec/type/linux/docker_container_spec.rb b/spec/type/linux/docker_container_spec.rb
index 71c2e4bb..91a52964 100644
--- a/spec/type/linux/docker_container_spec.rb
+++ b/spec/type/linux/docker_container_spec.rb
@@ -15,6 +15,7 @@
   it { should have_volume('/tmp', '/data') }
   its(:inspection) { should include 'Driver' => 'aufs' }
   its(['Config.Cmd']) { should include '/bin/sh' }
+  its(['HostConfig.PortBindings.80.[0].HostPort']) { should eq '8080' }
 end
 
 describe docker_container('restarting') do
@@ -73,7 +74,14 @@ def inspect_container
         "Links": null,
         "LxcConf": [],
         "NetworkMode": "bridge",
-        "PortBindings": {},
+        "PortBindings": {
+            "80": [
+                {
+                    "HostIp": "",
+                    "HostPort": "8080"
+                }
+            ]
+        },
         "Privileged": false,
         "PublishAllPorts": false,
         "VolumesFrom": null