diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 36079401..4385557d 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -214,7 +214,7 @@ function! s:ErrorsForType(type)
 endfunction
 
 function! s:Errors()
-    return extend(s:ErrorsForType("E"))
+    return s:ErrorsForType("E")
 endfunction
 
 function! s:Warnings()