diff --git a/application/controllers/Logbook.php b/application/controllers/Logbook.php
index 9ad45f30..2701e679 100644
--- a/application/controllers/Logbook.php
+++ b/application/controllers/Logbook.php
@@ -150,7 +150,7 @@ class Logbook extends CI_Controller {
 		$return['callsign_distance'] 	= $this->distance($return['callsign_qra']);
 		$return['callsign_qth'] 		= $this->nval($callbook['city'], $this->logbook_model->call_qth($callsign));
 		$return['callsign_iota'] 		= $this->nval($callbook['iota'], $this->logbook_model->call_iota($callsign));
-		$return['qsl_manager'] 			= $this->nval($callbook['qslmgr'], $this->logbook_model->call_qslvia($callsign));
+		$return['qsl_manager'] 			= $this->nval($callbook['qslmgr'] ?? '', $this->logbook_model->call_qslvia($callsign));
 		$return['callsign_state'] 		= $this->nval($callbook['state'], $this->logbook_model->call_state($callsign));
 		$return['callsign_us_county'] 	= $this->nval($callbook['us_county'], $this->logbook_model->call_us_county($callsign));
 		$return['workedBefore'] 		= $this->worked_grid_before($return['callsign_qra'], $type, $band, $mode);