diff --git a/src/plugins/php/weechat-php-api.h b/src/plugins/php/weechat-php-api.h
index 06195a0b6..54eb3c6c2 100644
--- a/src/plugins/php/weechat-php-api.h
+++ b/src/plugins/php/weechat-php-api.h
@@ -32,7 +32,7 @@
  */
 
 #ifndef WEECHAT_PLUGIN_PHP_API_H
-#define WEECHAT_PLUGIN_PHP_API_H 1
+#define WEECHAT_PLUGIN_PHP_API_H
 
 extern struct zval* weechat_php_api_funcs[];
 extern struct t_php_const weechat_php_api_consts[];
diff --git a/src/plugins/php/weechat-php.h b/src/plugins/php/weechat-php.h
index f56032e4d..a8b4b785f 100644
--- a/src/plugins/php/weechat-php.h
+++ b/src/plugins/php/weechat-php.h
@@ -32,7 +32,7 @@
  */
 
 #ifndef WEECHAT_PLUGIN_PHP_H
-#define WEECHAT_PLUGIN_PHP_H 1
+#define WEECHAT_PLUGIN_PHP_H
 
 #define weechat_plugin weechat_php_plugin
 #define PHP_PLUGIN_NAME "php"