diff --git a/packages/system-react/package.json b/packages/system-react/package.json
index 7469ccc0..45845e53 100644
--- a/packages/system-react/package.json
+++ b/packages/system-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@snort/system-react",
-  "version": "1.5.1",
+  "version": "1.5.3",
   "description": "React hooks for @snort/system",
   "main": "dist/index.js",
   "module": "src/index.ts",
@@ -17,7 +17,7 @@
   ],
   "dependencies": {
     "@snort/shared": "^1.0.17",
-    "@snort/system": "^1.5.1",
+    "@snort/system": "^1.5.3",
     "react": "^18.2.0"
   },
   "devDependencies": {
diff --git a/packages/system/package.json b/packages/system/package.json
index 593a244a..53b573bd 100644
--- a/packages/system/package.json
+++ b/packages/system/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@snort/system",
-  "version": "1.5.2",
+  "version": "1.5.3",
   "description": "Snort nostr system package",
   "type": "module",
   "main": "dist/index.js",
diff --git a/packages/system/src/note-collection.ts b/packages/system/src/note-collection.ts
index 13761d47..077cd8f2 100644
--- a/packages/system/src/note-collection.ts
+++ b/packages/system/src/note-collection.ts
@@ -72,7 +72,7 @@ export class KeyedReplaceableNoteStore extends HookedNoteStore {
       const existing = this.#events.get(keyOnEvent);
       if (a.created_at > (existing?.created_at ?? 0)) {
         if (existing) {
-          a.relays = dedupe([...existing.relays, ...a.relays]);
+          a.relays = dedupe([...(existing.relays ?? []), ...a.relays]);
         }
         this.#events.set(keyOnEvent, a);
         changes.push(a);