diff --git a/includes/constants.php b/includes/constants.php
index e503e773..2bd3c0e9 100644
--- a/includes/constants.php
+++ b/includes/constants.php
@@ -7,6 +7,14 @@
 *
 */
 
+/**
+ * @ignore
+ */
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
 // Config constants
 define('B3_MODULE_DISABLED', 0);
 define('B3_MODULE_ENABLED', 1);
diff --git a/includes/functions.php b/includes/functions.php
index 2b80a84a..9eedd8c8 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -7,6 +7,14 @@
 *
 */
 
+/**
+ * @ignore
+ */
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
 // Get portal config
 function obtain_portal_config()
 {
diff --git a/includes/functions_modules.php b/includes/functions_modules.php
index 01bbc513..ed16ab75 100644
--- a/includes/functions_modules.php
+++ b/includes/functions_modules.php
@@ -7,6 +7,14 @@
 *
 */
 
+/**
+ * @ignore
+ */
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
 /**
  * Convert column number to string equivalent
  *