diff --git a/footer.php b/footer.php
index bed167bc6..91799dc4d 100644
--- a/footer.php
+++ b/footer.php
@@ -24,6 +24,10 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
 if (isset(Context::getContext()->controller)) {
     $controller = Context::getContext()->controller;
 } else {
diff --git a/header.php b/header.php
index 7e8a2ee81..74710f478 100644
--- a/header.php
+++ b/header.php
@@ -24,6 +24,10 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
 if (isset(Context::getContext()->controller)) {
     $controller = Context::getContext()->controller;
 } else {
diff --git a/init.php b/init.php
index aa572eff3..1c9c1c37c 100644
--- a/init.php
+++ b/init.php
@@ -24,6 +24,10 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
 if (isset(Context::getContext()->controller)) {
     $controller = Context::getContext()->controller;
 } else {