diff --git a/apps/files/css/files.scss b/apps/files/css/files.scss
index 1baaf600f9..e2c25bbe1b 100644
--- a/apps/files/css/files.scss
+++ b/apps/files/css/files.scss
@@ -835,6 +835,7 @@ table.dragshadow td.size {
 						background-size: contain;
 						margin: 0;
 						border-radius: var(--border-radius);
+						border: 1px solid var(--color-border);
 						background-repeat: no-repeat;
 						background-position: center;