autoload/handlers.vim | 2 +-

diff --git a/autoload/handlers.vim b/autoload/handlers.vim
index d46295970d98fdd9b153f8923f31da12f1ec7a1f..8132c88adbbdbbedfc679ed5876f0b55053fa52f 100644
--- a/autoload/handlers.vim
+++ b/autoload/handlers.vim
@@ -388,7 +388,7 @@     s:processDocSymbolTable(reply.result, symbolTypeTable, symbolLineTable)
   endif
 
   # sort the symbols by line number
-  symbolLineTable->sort({a, b -> a.range.start.line - b.range.start.line})
+  symbolLineTable->sort((a, b) => a.range.start.line - b.range.start.line)
   lsp#updateOutlineWindow(fname, symbolTypeTable, symbolLineTable)
 enddef