diff --git a/plugin/gitgutter.vim b/plugin/gitgutter.vim
index 87c9f01..ff87a0a 100644
--- a/plugin/gitgutter.vim
+++ b/plugin/gitgutter.vim
@@ -53,7 +53,7 @@ call s:set('g:gitgutter_async',                       1)
 call s:set('g:gitgutter_log',                         0)
 call s:set('g:gitgutter_git_executable',          'git')
 
-if !executable('git') && g:gitgutter_git_executable ==# 'git'
+if !executable(g:gitgutter_git_executable)
   call gitgutter#utility#warn('cannot find git. Please set g:gitgutter_git_executable.')
 endif