diff --git a/app/soapbox/features/soapbox_config/index.js b/app/soapbox/features/soapbox_config/index.js
index 28bbced91b..68f88f862e 100644
Binary files a/app/soapbox/features/soapbox_config/index.js and b/app/soapbox/features/soapbox_config/index.js differ
diff --git a/app/styles/forms.scss b/app/styles/forms.scss
index cadb529240..8799838f36 100644
--- a/app/styles/forms.scss
+++ b/app/styles/forms.scss
@@ -994,3 +994,8 @@ code {
   font-family: monospace;
   white-space: pre;
 }
+
+.code-editor--invalid textarea {
+  border-color: $error-red !important;
+  color: $error-red;
+}