diff --git a/frontend/src/app/main/data/workspace/interactions.cljs b/frontend/src/app/main/data/workspace/interactions.cljs
index 2bdc9f2e18..9c85ffcd36 100644
--- a/frontend/src/app/main/data/workspace/interactions.cljs
+++ b/frontend/src/app/main/data/workspace/interactions.cljs
@@ -27,6 +27,11 @@
 
 (defn add-flow
   [starting-frame]
+
+  (dm/assert!
+   "expect uuid"
+   (uuid? starting-frame))
+
   (ptk/reify ::add-flow
     ptk/WatchEvent
     (watch [it state _]