diff --git a/src/devices/tests/test-arping.c b/src/devices/tests/test-arping.c
index 4b4642f3ae..bcbc1140d6 100644
--- a/src/devices/tests/test-arping.c
+++ b/src/devices/tests/test-arping.c
@@ -85,7 +85,7 @@ test_arping_common (test_fixture *fixture, TestInfo *info)
 	loop = g_main_loop_new (NULL, FALSE);
 	g_signal_connect (manager, NM_ARPING_MANAGER_PROBE_TERMINATED,
 	                  G_CALLBACK (arping_manager_probe_terminated), loop);
-	g_assert (nm_arping_manager_start_probe (manager, 100, NULL));
+	g_assert (nm_arping_manager_start_probe (manager, 250, NULL));
 	g_assert (nmtst_main_loop_run (loop, 2000));
 
 	for (i = 0; info->addresses[i]; i++) {