diff --git a/builtin/v13/migration/market.go b/builtin/v13/migration/market.go
index 012fd83e..6f122a8f 100644
--- a/builtin/v13/migration/market.go
+++ b/builtin/v13/migration/market.go
@@ -313,12 +313,13 @@ func (m *marketMigrator) migrateProviderSectorsAndStatesFromScratch(ctx context.
 
 	var oldState market12.DealState
 	var newState market13.DealState
-
+	var cnt int
 	err = oldStateArray.ForEach(&oldState, func(i int64) error {
 		// Refresh proposals array periodically to avoid holding onto all ~10GB of memory
 		// throughout whole migration.
 		// This has limited impact on caching speedups because the access pattern is sequential.
-		if i%(int64(proposalsSize)/1000) == 0 {
+		cnt += 1
+		if proposalsSize > 0 && cnt%(int(proposalsSize/1000)) == 0 {
 			proposalsArr, err = adt.AsArray(ctxStore, proposals, market12.ProposalsAmtBitwidth)
 			if err != nil {
 				return xerrors.Errorf("failed to load proposals array: %w", err)