diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 7974112..91cfa07 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -72,7 +72,7 @@ function! s:check_requirements()
     throw "fzf#exec function not found. You need to upgrade Vim plugin from the main fzf repository ('junegunn/fzf')"
   endif
   let exec = fzf#exec()
-  let fzf_version = matchstr(systemlist(exec .. ' --version')[0], '[0-9.]*')
+  let fzf_version = matchstr(systemlist(exec . ' --version')[0], '[0-9.]*')
 
   if s:version_requirement(fzf_version, s:min_version)
     let s:checked = 1