diff --git a/plugin/ale/sign.vim b/plugin/ale/sign.vim
index 322b236..6f07703 100644
--- a/plugin/ale/sign.vim
+++ b/plugin/ale/sign.vim
@@ -5,7 +5,7 @@ endif
 let g:loaded_ale_sign = 1
 
 if !hlexists('ALEErrorSign')
-    highlight link ALErrorSign error
+    highlight link ALEErrorSign error
 endif
 
 if !hlexists('ALEWarningSign')