diff --git a/lib/igt_aux.c b/lib/igt_aux.c
index 7d5aa52..dfdb153 100644
--- a/lib/igt_aux.c
+++ b/lib/igt_aux.c
@@ -687,7 +687,7 @@ static void suspend_via_rtcwake(enum igt_suspend_state state)
 
 	igt_assert(state < SUSPEND_STATE_NUM);
 
-	delay = state == SUSPEND_STATE_DISK ? 30 : 15;
+	delay = state == SUSPEND_STATE_DISK ? 30 : 20;
 
 	/*
 	 * Skip if rtcwake would fail for a reason not related to the kernel's