diff --git a/src/server/utilities.ts b/src/server/utilities.ts
index 9bc31704db..4e444c3ce8 100644
--- a/src/server/utilities.ts
+++ b/src/server/utilities.ts
@@ -102,7 +102,7 @@ namespace ts.server {
             else {
                 return 0;
             }
-        });
+        }));
     }
 
     export function mergeMaps(target: MapLike<any>, source: MapLike <any>): void {