diff --git a/api/test/window_post.go b/api/test/window_post.go
index 2d3302d64..04056d56e 100644
--- a/api/test/window_post.go
+++ b/api/test/window_post.go
@@ -543,7 +543,7 @@ func TestWindowPostDispute(t *testing.T, b APIBuilder, blocktime time.Duration)
 	for {
 		di, err = client.StateMinerProvingDeadline(ctx, evilMinerAddr, types.EmptyTSK)
 		require.NoError(t, err)
-		if di.Index == evilSectorLoc.Deadline {
+		if di.Index == evilSectorLoc.Deadline && di.CurrentEpoch - di.PeriodStart > 1  {
 			break
 		}
 		build.Clock.Sleep(blocktime)
@@ -640,7 +640,7 @@ func TestWindowPostDispute(t *testing.T, b APIBuilder, blocktime time.Duration)
 	for {
 		di, err = client.StateMinerProvingDeadline(ctx, evilMinerAddr, types.EmptyTSK)
 		require.NoError(t, err)
-		if di.Index == evilSectorLoc.Deadline {
+		if di.Index == evilSectorLoc.Deadline && di.CurrentEpoch - di.PeriodStart > 1 {
 			break
 		}
 		build.Clock.Sleep(blocktime)