diff --git a/syntax/php.template b/syntax/php.template
index 9878af6..6663e0c 100644
--- a/syntax/php.template
+++ b/syntax/php.template
@@ -310,7 +310,7 @@ if !exists("did_php_syn_inits")
   hi def link phpMagicConstants   Constant
   hi def link phpServerVars       Constant
   hi def link phpConstants        Constant
-  hi def link phpBoolean          Constant
+  hi def link phpBoolean          Boolean
   hi def link phpNumber           Number
   hi def link phpStringSingle     String
   hi def link phpStringDouble     String
diff --git a/syntax/php.vim b/syntax/php.vim
index 3f916db..7d60366 100644
--- a/syntax/php.vim
+++ b/syntax/php.vim
@@ -513,7 +513,7 @@ if !exists("did_php_syn_inits")
   hi def link phpMagicConstants   Constant
   hi def link phpServerVars       Constant
   hi def link phpConstants        Constant
-  hi def link phpBoolean          Constant
+  hi def link phpBoolean          Boolean
   hi def link phpNumber           Number
   hi def link phpStringSingle     String
   hi def link phpStringDouble     String