diff --git a/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css b/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css
index 7aef1366c..dd30908d6 100644
--- a/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css
+++ b/snappymail/v/0.0.0/themes/NextcloudV25+/styles.css
@@ -1399,7 +1399,7 @@ html.rl-left-panel-disabled #rl-app #V-MailFolderList .b-footer.btn-toolbar .btn
 /* fallback */
 #rl-app #V-MailMessageList .btn-toolbar .btn-group .btn,
 #rl-app #V-MailMessageView .btn-toolbar .btn-group .btn {
-    border-radius: var(--nc-border-radius);
+    border-radius: var(--nc-border-radius-large);
 }
 
 /* #endregion */