diff --git a/core/modules/image/lib/Drupal/image/Plugin/field/field_type/ImageItem.php b/core/modules/image/lib/Drupal/image/Plugin/field/field_type/ImageItem.php
index d2fdfe3..02b0221 100644
--- a/core/modules/image/lib/Drupal/image/Plugin/field/field_type/ImageItem.php
+++ b/core/modules/image/lib/Drupal/image/Plugin/field/field_type/ImageItem.php
@@ -160,7 +160,7 @@ public function settingsForm(array $form, array &$form_state, $has_data) {
       '#type' => 'managed_file',
       '#description' => t('If no image is uploaded, this image will be shown on display.'),
       '#default_value' => empty($settings['default_image']) ? array() : array($settings['default_image']),
-      '#upload_location' => $settings['uri_scheme'] . '://default_images/',
+      '#upload_location' => $settings['uri_scheme'] . '://default_images',
     );
 
     return $element;
@@ -277,7 +277,7 @@ public function instanceSettingsForm(array $form, array &$form_state) {
       '#type' => 'managed_file',
       '#description' => t("If no image is uploaded, this image will be shown on display and will override the field's default image."),
       '#default_value' => empty($settings['default_image']) ? array() : array($settings['default_image']),
-      '#upload_location' => $settings['uri_scheme'] . '://default_images/',
+      '#upload_location' => $settings['uri_scheme'] . '://default_images',
     );
 
     return $element;