diff --git a/app/Controllers/Admin/KelasController.php b/app/Controllers/Admin/KelasController.php
index c0cbf14..52740dd 100644
--- a/app/Controllers/Admin/KelasController.php
+++ b/app/Controllers/Admin/KelasController.php
@@ -81,7 +81,7 @@ public function create()
             'kelas' => [
                 'rules' => 'required|max_length[32]',
             ],
-            'idJurusan' => [
+            'id_jurusan' => [
                 'rules' => 'required|numeric',
             ],
         ])) {
@@ -99,7 +99,7 @@ public function create()
 
         // ambil variabel POST
         $kelas = $this->request->getVar('kelas');
-        $idJurusan = $this->request->getVar('idJurusan');
+        $idJurusan = $this->request->getVar('id_jurusan');
 
         $result = $this->kelasModel->tambahKelas($kelas, $idJurusan);
 
@@ -153,7 +153,7 @@ public function update($id = null)
             'kelas' => [
                 'rules' => 'required|max_length[32]',
             ],
-            'idJurusan' => [
+            'id_jurusan' => [
                 'rules' => 'required|numeric',
             ],
         ])) {
@@ -178,7 +178,7 @@ public function update($id = null)
 
         // ambil variabel POST
         $kelas = $this->request->getRawInputVar('kelas');
-        $idJurusan = $this->request->getRawInputVar('idJurusan');
+        $idJurusan = $this->request->getRawInputVar('id_jurusan');
 
         $result = $this->kelasModel->update($id, [
             'kelas' => $kelas,
diff --git a/app/Views/admin/kelas/create.php b/app/Views/admin/kelas/create.php
index 91a32a6..5f39294 100644
--- a/app/Views/admin/kelas/create.php
+++ b/app/Views/admin/kelas/create.php
@@ -34,17 +34,17 @@
               </div>
               <div class="row">
                 <div class="col-12">
-                  <label for="idJurusan">Jurusan</label>
-                  <select class="custom-select <?= $validation->getError('idJurusan') ? 'is-invalid' : ''; ?>" id="idJurusan" name="idJurusan">
-                    <option value="">--Pilih jurusan--</option>
+                  <label for="id_jurusan">Jurusan</label>
+                  <select class="custom-select <?= $validation->getError('id_jurusan') ? 'is-invalid' : ''; ?>" id="id_jurusan" name="id_jurusan">
+                    <option value="">--Pilih Jurusan--</option>
                     <?php foreach ($jurusan as $value) : ?>
-                      <option value="<?= $value['id']; ?>" <?= old('idJurusan') ?? $oldInput['idJurusan'] ?? '' == $value['id'] ? 'selected' : ''; ?>>
+                      <option value="<?= $value['id']; ?>" <?= old('id_jurusan') ?? $oldInput['id_jurusan'] ?? '' == $value['id'] ? 'selected' : ''; ?>>
                         <?= $value['jurusan']; ?>
                       </option>
                     <?php endforeach; ?>
                   </select>
                   <div class="invalid-feedback">
-                    <?= $validation->getError('idJurusan'); ?>
+                    <?= $validation->getError('id_jurusan'); ?>
                   </div>
                 </div>
               </div>
diff --git a/app/Views/admin/kelas/edit.php b/app/Views/admin/kelas/edit.php
index 8116930..3bbd6fc 100644
--- a/app/Views/admin/kelas/edit.php
+++ b/app/Views/admin/kelas/edit.php
@@ -35,17 +35,17 @@
               </div>
               <div class="row">
                 <div class="col-12">
-                  <label for="idJurusan">Jurusan</label>
-                  <select class="custom-select <?= $validation->getError('idJurusan') ? 'is-invalid' : ''; ?>" id="idJurusan" name="idJurusan">
-                    <option value="">--Pilih idJurusan--</option>
+                  <label for="id_jurusan">Jurusan</label>
+                  <select class="custom-select <?= $validation->getError('id_jurusan') ? 'is-invalid' : ''; ?>" id="id_jurusan" name="id_jurusan">
+                    <option value="">--Pilih Jurusan--</option>
                     <?php foreach ($jurusan as $value) : ?>
-                      <option value="<?= $value['id']; ?>" <?= old('idJurusan') ?? $oldInput['idJurusan'] ?? $value['id'] == $data['id_jurusan'] ? 'selected' : ''; ?>>
+                      <option value="<?= $value['id']; ?>" <?= old('id_jurusan') ?? $oldInput['id_jurusan'] ?? $value['id'] == $data['id_jurusan'] ? 'selected' : ''; ?>>
                         <?= $value['jurusan']; ?>
                       </option>
                     <?php endforeach; ?>
                   </select>
                   <div class="invalid-feedback">
-                    <?= $validation->getError('idJurusan'); ?>
+                    <?= $validation->getError('id_jurusan'); ?>
                   </div>
                 </div>
               </div>