diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 802b4af187297..1080ff55a788f 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -388,6 +388,7 @@ fib_carrier_unicast_test()
 
 	set -e
 	$IP link set dev dummy0 carrier off
+	sleep 1
 	set +e
 
 	echo "    Carrier down"