diff --git a/app/Controllers/Patient.php b/app/Controllers/Patient.php
index 4c6c8b5..c528c50 100644
--- a/app/Controllers/Patient.php
+++ b/app/Controllers/Patient.php
@@ -18,10 +18,10 @@ class Patient extends Controller {
             $InternalPID = $this->request->getVar('InternalPID');
             $PatientID = $this->request->getVar('PatientID');
             $Name = $this->request->getVar('Name');
-            $BirthDate = $this->request->getVar('BirthDate');
+            $Birthdate = $this->request->getVar('Birthdate');
             $qname = "LOWER(CONCAT_WS(' ', IFNULL(Prefix,''), IFNULL(NameFirst,''), IFNULL(NameMiddle,''), IFNULL(NameLast,''), IFNULL(NameMaiden,''), IFNULL(Suffix,'')))";
             $builder = $this->db->table('patient');
-            $builder->select("InternalPID, PatientID, $qname as FullName, Gender, BirthDate, EmailAddress1 as Email, MobilePhone");
+            $builder->select("InternalPID, PatientID, $qname as FullName, Gender, Birthdate, EmailAddress1 as Email, MobilePhone");
             if ($Name !== null) { 
                 $sql    = $qname;
                 $rawSql = new RawSql($sql);
@@ -29,7 +29,7 @@ class Patient extends Controller {
             }
             if ($InternalPID !== null) { $builder->where('InternalPID', $InternalPID); }
             if ($PatientID !== null) { $builder->like('PatientID', $PatientID, 'both'); }
-            if ($BirthDate !== null) { $builder->where('BirthDate', $BirthDate); }
+            if ($Birthdate !== null) { $builder->where('Birthdate', $Birthdate); }
 
             $filteredPatients = $builder->get()->getResultArray();
 
@@ -107,7 +107,7 @@ class Patient extends Controller {
                 "NameAlias"        => null,
                 "Gender"           => isset($input['Gender']) ? (int) $input['Gender'] : null,
                 "PlaceOfBirth"     => $input['PlaceOfBirth'] ?? null,
-                "BirthDate"        => $input['BirthDate'] ?? null,
+                "Birthdate"        => $input['Birthdate'] ?? null,
                 "Street_1"         => $input['Street_1'] ?? null,
                 "Street_2"         => $input['Street_2'] ?? null,
                 "Street_3"         => null,
@@ -199,7 +199,7 @@ class Patient extends Controller {
                 "NameAlias"        => null,
                 "Gender"           => isset($input['Gender']) ? (int) $input['Gender'] : null,
                 "PlaceOfBirth"     => $input['PlaceOfBirth'] ?? null,
-                "BirthDate"        => $input['BirthDate'] ?? null,
+                "Birthdate"        => $input['Birthdate'] ?? null,
                 "Street_1"         => $input['Street_1'] ?? null,
                 "Street_2"         => $input['Street_2'] ?? null,
                 "Street_3"         => null,
@@ -241,7 +241,7 @@ class Patient extends Controller {
             //     "NameAlias"        => null, 
             //     "Gender"           => ((int) $input['Gender']) ?? null, //int
             //     "PlaceOfBirth"     => $input['PlaceOfBirthdate'] ?? null,
-            //     "BirthDate"        => $input['BirthDate'] ?? null,
+            //     "Birthdate"        => $input['Birthdate'] ?? null,
             //     "Street1"          => $input['Street1'] ?? null,
             //     "Street2"          => $input['Street2'] ?? null,
             //     "Street3"          => null,
@@ -297,7 +297,7 @@ class Patient extends Controller {
 
             $allowedUpdateFields = [
                 'NameFirst', 'NameLast', 'NameMiddle', 
-                'PatientID', 'AlternatePID', 'BirthDate', 'PlaceOfBirth',
+                'PatientID', 'AlternatePID', 'Birthdate', 'PlaceOfBirth',
                 'Street_1', 'Street_2', 'Street_3', 'City', 'Province', 'ZIP',
                 'EmailAddress1', 'EmailAddress2', 'Phone', 'MobilePhone', 'Mother', 'AccountNumber'
             ];