diff --git a/extra/pugs.el b/extra/pugs.el
index 36830ffa5036575b65b08690cb22d986b34473a9..47b37a03ecaac8150196036ae9baaa8a0afb1e50 100644
--- a/extra/pugs.el
+++ b/extra/pugs.el
@@ -41,7 +41,7 @@ Ask to save the buffer if needed"
   "pugs mode is a major mode for editing pugs files"
   ;; define pugs keywords
   (defvar pugs-keywords
-    '("import" "let" "Z" "N" "B" "R" "string" "and" "or" "xor" "not" "true" "false" "let" "do" "while" "for" "if" "else" "break" "continue" "cout" "cerr" "clog" "+"))
+    '("import" "let" "Z" "N" "B" "R" "string" "and" "or" "xor" "not" "true" "false" "let" "do" "while" "for" "if" "else" "break" "continue" "cout" "cerr" "clog" "void"))
 
   (defvar pugs-special-symbols
     '(":" "," ";" "{" "}" "->" "<=" ">=" "=" "+" "-" "*" "/"  "<" ">" "^"))