diff --git a/includes/classes/Feature/ElasticPressLabs.php b/includes/classes/Feature/ElasticPressLabs.php
index 0160062..b0bb9fe 100644
--- a/includes/classes/Feature/ElasticPressLabs.php
+++ b/includes/classes/Feature/ElasticPressLabs.php
@@ -179,7 +179,7 @@ private function register_subfeatures() {
 		);
 
 		foreach ( $features_files as $filename ) {
-			require ELASTICPRESS_LABS_INC . 'classes/Feature/' . basename( $filename );
+			require_once ELASTICPRESS_LABS_INC . 'classes/Feature/' . basename( $filename );
 
 			$class_name = 'ElasticPressLabs\Feature\\' . basename( $filename, '.php' );