diff --git a/web/src/lib/smithereens.ts b/web/src/lib/smithereens.ts
index 6725fd23..ae9285eb 100644
--- a/web/src/lib/smithereens.ts
+++ b/web/src/lib/smithereens.ts
@@ -23,7 +23,7 @@ const smithereens: Smithereens = { ...defaultSmithereens };
             }
         })
     })
-});
+})();
 
 // What type should 'proxy' be?
 function postResult(proxy: undefined) {