diff --git a/plugin/vimux.vim b/plugin/vimux.vim
index 0737d74..0029061 100644
--- a/plugin/vimux.vim
+++ b/plugin/vimux.vim
@@ -63,7 +63,7 @@ function! VimuxRunLastCommand() abort
 endfunction
 
 function! VimuxRunCommand(command, ...) abort
-  if !exists('g:VimuxRunnerIndex') || s:hasRunner(g:VimuxRunnerIndex) ==# -1
+  if !exists('g:VimuxRunnerIndex')
     call VimuxOpenRunner()
   endif
   let l:autoreturn = 1