diff --git a/fillpdf.admin.inc b/fillpdf.admin.inc
index d3db6026814a6732574656ed0cab4f288207e225..e400e241d44728bb2cf1a57fe11923ecf7e85666 100644
--- a/fillpdf.admin.inc
+++ b/fillpdf.admin.inc
@@ -64,10 +64,10 @@ function fillpdf_settings($form, &$form_state) {
     '#collapsible' => TRUE,
     '#collapsed' => $fillpdf_service !== 'remote',
   );
-  $form['remote']['remote_endpoint'] = array(
+  $form['remote']['fillpdf_remote_endpoint'] = array(
     '#type' => 'textfield',
     '#title' => t('Server endpoint'),
-    '#default_value' => variable_get('remote_endpoint', FILLPDF_DEFAULT_SERVLET_URL),
+    '#default_value' => variable_get('fillpdf_remote_endpoint', FILLPDF_DEFAULT_SERVLET_URL),
     '#description' => t('The endpoint for the FillPDF Service instance. This does not usually need to be changed, but you may want to if you have, for example, a <a href="https://fillpdf.io/hosting">private server</a>. Do not include the protocol, as this is determined by the <em>Use HTTPS?</em> setting below.'),
   );
   $form['remote']['fillpdf_api_key'] = array(