diff --git a/paragraphs_browser.module b/paragraphs_browser.module
index 0a96987..fa2e454 100644
--- a/paragraphs_browser.module
+++ b/paragraphs_browser.module
@@ -9,6 +9,7 @@ use Drupal\paragraphs\Entity\ParagraphsType;
 
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\paragraphs_browser\Entity\BrowserType;
+use Drupal\Core\StreamWrapper\StreamWrapperManager;
 
 /**
  * Implements hook_help().
@@ -164,7 +165,7 @@ function paragraphs_browser_image_path_validate($path) {
     return $path;
   }
   // Prepend 'public://' for relative file paths within public filesystem.
-  if (\Drupal::service('file_system')->uriScheme($path) === FALSE) {
+  if (StreamWrapperManager::getScheme($path) === FALSE) {
     $path = 'public://' . $path;
   }
   if (is_file($path)) {