diff --git a/exif_orientation.module b/exif_orientation.module
index 4a6f76c..657f808 100644
--- a/exif_orientation.module
+++ b/exif_orientation.module
@@ -56,8 +56,16 @@ function exif_orientation_validate_image_rotation(FileInterface $file) {
  * @link: http://www.daveperrett.com/articles/2012/07/28/exif-orientation-handling-is-a-ghetto/
  */
 function _exif_orientation_rotate($file) {
-  if (function_exists('exif_read_data') && $file->getMimeType() == 'image/jpeg') {
-    $file_exif = @exif_read_data(\Drupal::service('file_system')->realpath($file->getFileUri()));
+  $mime_types = ['image/jpeg', 'image/png'];
+
+  if (function_exists('exif_read_data') && in_array($file->getMimeType(), $mime_types)) {
+    $realPath = \Drupal::service('file_system')->realpath($file->getFileUri());
+
+    if ($realPath === FALSE) {
+      return;
+    }
+
+    $file_exif = @exif_read_data($realPath);
 
     // Ensure that the Orientation key|value exists, otherwise leave.
     if (!is_array($file_exif) || !isset($file_exif['Orientation'])) {