diff --git a/autoload/fugitive.vim b/autoload/fugitive.vim
index 44fa372..29bed22 100644
--- a/autoload/fugitive.vim
+++ b/autoload/fugitive.vim
@@ -437,7 +437,7 @@ function! s:SystemError(cmd, ...) abort
     call s:throw('failed to run `' . a:cmd . '` with ' . join(opts, ' '))
   finally
     if exists('shellredir')
-      let &shellpipe = shellredir
+      let &shellredir = shellredir
     endif
   endtry
 endfunction