diff --git a/core/variables.vim b/core/variables.vim
index 9625609..2002d23 100644
--- a/core/variables.vim
+++ b/core/variables.vim
@@ -26,6 +26,9 @@ endif
 
 " Custom mapping <leader> (see `:h mapleader` for more info)
 let mapleader = ','
+
+" Enable highlighting for lua HERE doc inside vim script
+let g:vimsyn_embed = 'l'
 "}}
 
 "{{ Disable loading certain plugins