diff --git a/packages/ui/src/features/canvas/components/CreateChannelModal.tsx b/packages/ui/src/features/canvas/components/CreateChannelModal.tsx
index 5920379390..fccec5ff29 100644
--- a/packages/ui/src/features/canvas/components/CreateChannelModal.tsx
+++ b/packages/ui/src/features/canvas/components/CreateChannelModal.tsx
@@ -181,6 +181,7 @@ export function CreateChannelModal({
         id="context-description"
         autoFocus
         rows={4}
+        className="max-h-[40vh] overflow-y-auto"
         value={description}
         placeholder={DESCRIPTION_PLACEHOLDER}
         disabled={busy}