diff --git a/lib/viera_play/soapy.rb b/lib/viera_play/soapy.rb
index bdb3244..c026eca 100644
--- a/lib/viera_play/soapy.rb
+++ b/lib/viera_play/soapy.rb
@@ -23,7 +23,12 @@ def send_command(command, args={})
     attr_reader :endpoint, :namespace, :default_request_args
 
     def post(headers, data)
-      Net::HTTP.new(endpoint.host, endpoint.port).post(endpoint.path, data, headers)
+      response = Net::HTTP.new(endpoint.host, endpoint.port).post(endpoint.path, data, headers)
+      if response.code == "200"
+        response
+      else
+        raise "Server error: #{response.code} #{response.body}"
+      end
     end
 
     def soap_body(command, args)
diff --git a/lib/viera_play/tv.rb b/lib/viera_play/tv.rb
index 21438e2..b015326 100644
--- a/lib/viera_play/tv.rb
+++ b/lib/viera_play/tv.rb
@@ -30,7 +30,11 @@ def play_uri(uri)
     attr_reader :soap_client
 
     def set_media_uri(uri)
-      send_command("SetAVTransportURI", "CurrentURI" => uri)
+      send_command(
+        "SetAVTransportURI",
+        "CurrentURI" => uri,
+        "CurrentURIMetaData" => ""
+      )
     end
 
     def send_command(command, args={})