diff --git a/app/Livewire/CodeScanner.php b/app/Livewire/CodeScanner.php
index dc85e232..755aab13 100644
--- a/app/Livewire/CodeScanner.php
+++ b/app/Livewire/CodeScanner.php
@@ -233,6 +233,11 @@ class CodeScanner extends Component
     {
         $radioTierra = 6371000;
 
+        $lat1 = (float)$lat1;
+        $lon1 = (float)$lon1;
+        $lat2 = (float)$lat2;
+        $lon2 = (float)$lon2;
+
         $dLat = deg2rad($lat2 - $lat1);
         $dLon = deg2rad($lon2 - $lon1);