diff --git a/src/svelte-interface/index.css b/src/svelte-interface/index.css
index cde06988..af9d896e 100644
--- a/src/svelte-interface/index.css
+++ b/src/svelte-interface/index.css
@@ -44,6 +44,7 @@ input {
 .cm-editor {
   width: 100%;
   min-height: 100px;
+  max-height: 400px;
 }
 
 /* .dark .cm-editor .cm-tooltip-autocomplete {