diff --git a/backend/app/schemas/notes.py b/backend/app/schemas/notes.py
index 9098006..4a4d0de 100644
--- a/backend/app/schemas/notes.py
+++ b/backend/app/schemas/notes.py
@@ -1,6 +1,6 @@
 import uuid
 from datetime import datetime
-from pydantic import BaseModel, ConfigDict, HttpUrl, field_validator
+from pydantic import BaseModel, ConfigDict, field_validator
 
 
 class NoteUrl(BaseModel):
@@ -57,3 +57,9 @@ class NoteResponse(BaseModel):
     urls: list[NoteUrl] = []
     created_at: datetime
     attachments: list[AttachmentResponse]
+
+    @field_validator('urls', mode='before')
+    @classmethod
+    def coerce_urls(cls, v: object) -> object:
+        # Les notes antérieures à la migration 0061 ont urls=NULL en base.
+        return v or []
diff --git a/frontend/package.json b/frontend/package.json
index f26a67a..36dee58 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "homehub-frontend",
   "private": true,
-  "version": "0.5.15",
+  "version": "0.5.16",
   "type": "module",
   "scripts": {
     "dev": "vite",