diff --git a/src/Plugin/EntityBrowser/WidgetValidation/File.php b/src/Plugin/EntityBrowser/WidgetValidation/File.php
index c5e48c8..6399fc2 100644
--- a/src/Plugin/EntityBrowser/WidgetValidation/File.php
+++ b/src/Plugin/EntityBrowser/WidgetValidation/File.php
@@ -27,11 +27,15 @@ public function validate(array $entities, array $options = []) {
     // in mind.
     foreach ($entities as $entity) {
       if (isset($options['validators'])) {
-        // Checks that a file meets the criteria specified by the validators.
-        if ($errors = file_validate($entity, $options['validators'])) {
-          foreach ($errors as $error) {
-            $violation = new ConstraintViolation($error, $error, [], $entity, '', $entity);
-            $violations->add($violation);
+        // Make sure that only files are validated.
+        // @see https://www.drupal.org/project/entity_browser/issues/3122383
+        if (in_array('Drupal\file\FileInterface', class_implements($entity))) {
+          // Checks that a file meets the criteria specified by the validators.
+          if ($errors = file_validate($entity, $options['validators'])) {
+            foreach ($errors as $error) {
+              $violation = new ConstraintViolation($error, $error, [], $entity, '', $entity);
+              $violations->add($violation);
+            }
           }
         }
       }