diff --git a/src/scan.c b/src/scan.c
index 28641053..3c28eb7d 100644
--- a/src/scan.c
+++ b/src/scan.c
@@ -849,6 +849,8 @@ static void scan_periodic_timeout(struct l_timeout *timeout, void *user_data)
 	l_debug("scan_periodic_timeout: %" PRIx64, sc->wdev_id);
 
 	sc->sp.interval *= 2;
+	if (sc->sp.interval > SCAN_MAX_INTERVAL)
+		sc->sp.interval = SCAN_MAX_INTERVAL;
 
 	scan_periodic_queue(sc);
 }