diff --git a/packages/builder/src/userInterface/UserInterfaceRoot.svelte b/packages/builder/src/userInterface/UserInterfaceRoot.svelte
index fb4328c272..235c04004f 100644
--- a/packages/builder/src/userInterface/UserInterfaceRoot.svelte
+++ b/packages/builder/src/userInterface/UserInterfaceRoot.svelte
@@ -124,7 +124,7 @@
 
   .root {
     display: grid;
-    grid-template-columns: 290px 1fr 300px;
+    grid-template-columns: 290px 1fr 350px;
     height: 100%;
     width: 100%;
     background: #fafafa;