diff --git a/repos/os/run/nic_router_flood.run b/repos/os/run/nic_router_flood.run
index aa0cc7ff6e..91d0a77f9e 100644
--- a/repos/os/run/nic_router_flood.run
+++ b/repos/os/run/nic_router_flood.run
@@ -13,14 +13,14 @@ if {[get_cmd_switch --autopilot] && ([have_board virt_qemu_riscv] ||
 	exit 0
 }
 
-proc test_timeout { } {
+proc num_ping_rounds { } {
 	if {[have_spec sel4] && [have_spec x86]} {
-		return 240
+		return 10
 	}
 	if {[have_spec okl4] || [have_spec pistachio]} {
-		return 240
+		return 10
 	}
-	return 120
+	return 30
 }
 
 proc good_dst_ip { } { return "10.0.2.2" }
@@ -210,4 +210,4 @@ build_boot_image [build_artifacts]
 append qemu_args " -nographic "
 append_qemu_nic_args
 
-run_genode_until {.*ping\] 64 bytes from 10\.0\.2\.2: icmp_seq=30 .*\n} [test_timeout]
+run_genode_until ".*ping\] 64 bytes from 10\.0\.2\.2: icmp_seq=[num_ping_rounds] .*\n" 120