diff --git a/fillpdf.admin.inc b/fillpdf.admin.inc
index 2e82c3e..d3a4b06 100644
--- a/fillpdf.admin.inc
+++ b/fillpdf.admin.inc
@@ -186,6 +186,7 @@ function fillpdf_forms_admin($form, &$form_state) {
       '#type' => 'file',
       '#title' => 'Upload',
       '#description' => 'Upload a PDF template to create a new form',
+      '#attributes' => array('accept' => 'application/pdf'),
     );
     $form['submit'] = array(
       '#type' => 'submit',
@@ -401,6 +402,7 @@ function fillpdf_form_edit($form, &$form_state, $fid) {
     '#type' => 'file',
     '#title' => 'Update PDF template',
     '#description' => 'Update the PDF template used by this form',
+    '#attributes' => array('accept' => 'application/pdf'),
   );
   $form['pdf_info']['sample_populate'] = array(
     '#type' => 'item',