diff --git a/SerialIO-v0.15.4.ckan b/SerialIO-v0.15.4.ckan
index a0a59e6805..a6b43a08a9 100644
--- a/SerialIO-v0.15.4.ckan
+++ b/SerialIO-v0.15.4.ckan
@@ -19,5 +19,6 @@
             "install_to": "GameData"
         }
     ],
+    "download_size": 34585,
     "x_maintained_by" : "hakan42, who loves wants to create a custom controller too :-)"
-}
\ No newline at end of file
+}