diff --git a/backend/src/tasks/task-worker.ts b/backend/src/tasks/task-worker.ts
index 2915981d..c80302de 100644
--- a/backend/src/tasks/task-worker.ts
+++ b/backend/src/tasks/task-worker.ts
@@ -435,29 +435,47 @@ export class TaskWorker {
 
   /**
    * Report preflight status to worker_registry
+   * Function signature: update_worker_preflight(worker_id, transport, status, ip, response_ms, error, fingerprint)
    */
   private async reportPreflightStatus(): Promise<void> {
     try {
       // Update worker_registry directly via SQL (more reliable than API)
+      // CURL preflight - includes IP address
       await this.pool.query(`
-        SELECT update_worker_preflight($1, 'curl', $2, $3, $4)
+        SELECT update_worker_preflight($1, 'curl', $2, $3, $4, $5, $6)
       `, [
         this.workerId,
         this.preflightCurlPassed ? 'passed' : 'failed',
+        this.preflightCurlResult?.proxyIp || null,
         this.preflightCurlResult?.responseTimeMs || null,
         this.preflightCurlResult?.error || null,
+        null, // No fingerprint for curl
       ]);
 
+      // HTTP preflight - includes IP, fingerprint, and timezone data
+      const httpFingerprint = this.preflightHttpResult ? {
+        ...this.preflightHttpResult.fingerprint,
+        detectedTimezone: (this.preflightHttpResult as any).detectedTimezone,
+        detectedLocation: (this.preflightHttpResult as any).detectedLocation,
+        productsReturned: this.preflightHttpResult.productsReturned,
+        botDetection: (this.preflightHttpResult as any).botDetection,
+      } : null;
+
       await this.pool.query(`
-        SELECT update_worker_preflight($1, 'http', $2, $3, $4)
+        SELECT update_worker_preflight($1, 'http', $2, $3, $4, $5, $6)
       `, [
         this.workerId,
         this.preflightHttpPassed ? 'passed' : 'failed',
+        this.preflightHttpResult?.proxyIp || null,
         this.preflightHttpResult?.responseTimeMs || null,
         this.preflightHttpResult?.error || null,
+        httpFingerprint ? JSON.stringify(httpFingerprint) : null,
       ]);
 
       console.log(`[TaskWorker] Preflight status reported to worker_registry`);
+      if (this.preflightHttpResult?.proxyIp) {
+        console.log(`[TaskWorker] HTTP IP: ${this.preflightHttpResult.proxyIp}, Timezone: ${(this.preflightHttpResult as any).detectedTimezone || 'unknown'}`);
+      }
     } catch (err: any) {
       // Non-fatal - worker can still function
       console.warn(`[TaskWorker] Could not report preflight status: ${err.message}`);