diff --git a/integrations/nextcloud/snappymail/app/themes/Nextcloud25/styles.css b/integrations/nextcloud/snappymail/app/themes/Nextcloud25/styles.css
index 5cad369e6..2e5bcda26 100644
--- a/integrations/nextcloud/snappymail/app/themes/Nextcloud25/styles.css
+++ b/integrations/nextcloud/snappymail/app/themes/Nextcloud25/styles.css
@@ -1107,6 +1107,11 @@ html:not(.rl-mobile):not(.rl-no-preview-pane) #rl-app .messageView .top-toolbar
     color: var(--color-text-lighter);
 }
 
+/* hide additional theme settings, as these are made via Nextcloud theming */
+#rl-app #V-SettingsPane #V-Settings-Themes .form-horizontal {
+    display: none !important;
+}
+
 /*
  * admin settings 
  */