diff --git a/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css b/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css
index 4f7523474..055ca5e31 100644
--- a/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css
+++ b/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css
@@ -1039,6 +1039,7 @@ input[type="checkbox"] {
     background-color: var(--nc-color-main-background-blur, var(--nc-color-main-background));
     -webkit-backdrop-filter: var(--nc-filter-background-blur, none);
     backdrop-filter: var(--nc-filter-background-blur, none);
+    border-color: var(--nc-color-border);
     width: 300px;
 }