diff --git a/autoload/vimtex/view/skim.vim b/autoload/vimtex/view/skim.vim
index 4faf2af3e4..3f5a8d4891 100644
--- a/autoload/vimtex/view/skim.vim
+++ b/autoload/vimtex/view/skim.vim
@@ -28,7 +28,7 @@ function! s:viewer._check() dict abort " {{{1
   let l:output = vimtex#jobs#capture(
         \ 'osascript -l JavaScript -e ''Application("Skim").id()''')
 
-  if l:output[0] !~# '^net.sourceforge.skim-app'
+  if join(l:output) !~# 'net.sourceforge.skim-app'
     call vimtex#log#error('Skim is not installed!')
     return v:false
   endif