diff --git a/classes/class-kco-logger.php b/classes/class-kco-logger.php
index 01b85ada..e44463dd 100644
--- a/classes/class-kco-logger.php
+++ b/classes/class-kco-logger.php
@@ -110,7 +110,7 @@ public static function get_stack() {
 				if ( in_array( $data['function'], array( 'do_action', 'apply_filters' ), true ) ) {
 					if ( isset( $data['object'] ) && $data['object'] instanceof WP_Hook ) {
 						$priority   = $data['object']->current_priority();
-						$name       = key( $data['object']->current() );
+						$name       = is_array( $data['object']->current() ) ? key( $data['object']->current() ) : '';
 						$extra_data = $name . ' : ' . $priority;
 					}
 				}
@@ -137,5 +137,4 @@ public static function log_to_db( $data ) {
 		$logs   = wp_json_encode( $logs );
 		update_option( 'krokedil_debuglog_kco', $logs, false );
 	}
-
 }