diff --git a/.vim/colors/materialbox.vim b/.vim/colors/materialbox.vim
index c69c4c5..62b8a9f 100644
--- a/.vim/colors/materialbox.vim
+++ b/.vim/colors/materialbox.vim
@@ -633,16 +633,16 @@ call s:HL('DiffText',   s:yellow, s:bg0, s:inverse)
 if has("spell")
   " Not capitalised word, or compile warnings
   if g:materialbox_improved_warnings == 0
-    call s:HL('SpellCap',   s:none, s:none, s:undercurl, s:red)
+    call s:HL('SpellCap',   s:red, s:bg0, s:inverse)
   else
     call s:HL('SpellCap',   s:green, s:none, s:bold . s:italic)
   endif
   " Not recognized word
-  call s:HL('SpellBad',   s:none, s:none, s:undercurl, s:blue)
+  call s:HL('SpellBad',   s:red, s:bg0, s:inverse)
   " Wrong spelling for selected region
-  call s:HL('SpellLocal', s:none, s:none, s:undercurl, s:aqua)
+  call s:HL('SpellLocal', s:aqua, s:bg0, s:inverse)
   " Rare word
-  call s:HL('SpellRare',  s:none, s:none, s:undercurl, s:purple)
+  call s:HL('SpellRare',  s:purple, s:none, s:inverse)
 endif
 
 " }}}