diff --git a/src/Form/RoblibIllLoanForm.php b/src/Form/RoblibIllLoanForm.php
index 8e5e02a..95f939b 100644
--- a/src/Form/RoblibIllLoanForm.php
+++ b/src/Form/RoblibIllLoanForm.php
@@ -173,6 +173,9 @@ class RoblibIllLoanForm extends FormBase {
           ':input[name="Genre"]' => ['value' => 'book'],
         ],
       ],
+      '#cache' => [
+        'max-age' => 0,
+      ],
       '#required' => FALSE,
     ];
     $form['doi_button'] = [