diff --git a/app/api/nodes/route.ts b/app/api/nodes/route.ts
index ddbd857..48c5d4b 100644
--- a/app/api/nodes/route.ts
+++ b/app/api/nodes/route.ts
@@ -229,7 +229,7 @@ export async function POST(request: NextRequest) {
       atp_uri: atp_uri,
       title: title,
       body: body, // Store the raw text body
-      // coords_3d will be calculated later by UMAP
+      coords_3d: [0, 0, 0], // Required by schema - origin coordinates for new nodes
     };
 
     // Only include embedding if it was successfully generated