diff --git a/ftplugin/solidity.vim b/ftplugin/solidity.vim
index 9cb4ab3d..aa412bd4 100644
--- a/ftplugin/solidity.vim
+++ b/ftplugin/solidity.vim
@@ -1 +1,2 @@
 setlocal commentstring=//\ %s
+set isfname+=@-@