diff --git a/Aeria/Field/Fields/MediaField.php b/Aeria/Field/Fields/MediaField.php
index 5afbf20..3645e58 100644
--- a/Aeria/Field/Fields/MediaField.php
+++ b/Aeria/Field/Fields/MediaField.php
@@ -43,7 +43,9 @@ public function get(array $saved_fields, bool $skip_filter = false)
             }
             foreach ($sizes as $size) {
                 $result[$size] = wp_get_attachment_image_src($value, $size);
-                $result[$size][3] = $result[$size][2] / $result[$size][1];
+                if ($result[$size][2] && $result[$size][1]) {
+                    $result[$size][3] = $result[$size][2] / $result[$size][1];
+                }
             }
         } else {
             $result['full'] = [wp_get_attachment_url($value)];