diff --git a/app/Controllers/Patient.php b/app/Controllers/Patient.php
index 790a893..0912999 100644
--- a/app/Controllers/Patient.php
+++ b/app/Controllers/Patient.php
@@ -103,7 +103,7 @@ class Patient extends Controller {
                     
                     $patientCustodian = $this->db->table('patient')
                             ->select('InternalPID, PatientID')
-                            ->whereIn('InternalPID', (int) $InternalPID)
+                            ->where('InternalPID', (int) $InternalPID)
                             ->get()
                             ->getResultArray();
                     $patient["Custodian"] = $patientCustodian == [] ? null : $patientCustodian[0];