diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 860fa58..b0189a4 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -15,7 +15,7 @@ endif
 " Section: Utility
 
 function! s:function(name) abort
-  return function(substitute(a:name,'^s:',matchstr(expand('<sfile>'), '.*<SNR>\d\+_'),''))
+  return function(substitute(a:name,'^s:',matchstr(expand('<sfile>'), '.*\zs<SNR>\d\+_'),''))
 endfunction
 
 function! s:sub(str,pat,rep) abort