diff --git a/application/models/Logbook_model.php b/application/models/Logbook_model.php
index 2fe429a1..f860840e 100755
--- a/application/models/Logbook_model.php
+++ b/application/models/Logbook_model.php
@@ -3930,7 +3930,7 @@ class Logbook_model extends CI_Model {
      */
     function find_correct_station_id($station_callsign, $my_gridsquare) {
         $sql = 'select station_id from station_profile
-            where station_callsign = "' . $station_callsign . '" and station_gridsquare like "%' . substr($my_gridsquare,0, 4) . '%"';
+            where station_callsign = "' . $station_callsign . '" and station_gridsquare = "' . substr($my_gridsquare,0, 4) . '"';
 
         $query = $this->db->query($sql);