diff --git a/src/fields/Assets.php b/src/fields/Assets.php
index 436c5f81948..8b01f023b25 100644
--- a/src/fields/Assets.php
+++ b/src/fields/Assets.php
@@ -250,7 +250,7 @@ public function validateFileSize(ElementInterface $element)
                     $filenames[] = $file['filename'];
                 }
             } else {
-                if (filesize($file['location']) > $maxSize) {
+                if (file_exists($file['location']) && (filesize($file['location']) > $maxSize)) {
                     $filenames[] = $file['filename'];
                 }
             }