@@ -206,11 +206,11 @@
       (if (not (member cmd api:read-only-queries))
 	  (let ((start-time (current-seconds)))
 	    (mutex-lock! *db-multi-sync-mutex*)
 	    ;; (if (not (hash-table-ref/default *db-local-sync* run-id #f))
 	    ;; just set it every time. Is a write more expensive than a read and does it matter?
-	    (hash-table-set! *db-local-sync* run-id start-time) ;; the oldest "write"
+	    (hash-table-set! *db-local-sync* (or run-id 0) start-time) ;; the oldest "write"
 	    (mutex-unlock! *db-multi-sync-mutex*)))
       res)))
 
 (define (rmt:send-receive-no-auto-client-setup connection-info cmd run-id params)
   (let* ((run-id   (if run-id run-id 0))