diff --git a/badger/lib.go b/badger/lib.go
index 8be04b4..410acfc 100644
--- a/badger/lib.go
+++ b/badger/lib.go
@@ -60,7 +60,7 @@ func (b *BadgerBackend) Init() error {
 	if b.MaxLimit != 0 {
 		b.MaxLimitNegentropy = b.MaxLimit
 	} else {
-		b.MaxLimit = 500
+		b.MaxLimit = 1000
 		if b.MaxLimitNegentropy == 0 {
 			b.MaxLimitNegentropy = 16777216
 		}
diff --git a/lmdb/lib.go b/lmdb/lib.go
index 6f60864..81ea926 100644
--- a/lmdb/lib.go
+++ b/lmdb/lib.go
@@ -43,7 +43,7 @@ func (b *LMDBBackend) Init() error {
 	if b.MaxLimit != 0 {
 		b.MaxLimitNegentropy = b.MaxLimit
 	} else {
-		b.MaxLimit = 500
+		b.MaxLimit = 1500
 		if b.MaxLimitNegentropy == 0 {
 			b.MaxLimitNegentropy = 16777216
 		}
diff --git a/mdbx/lib.go b/mdbx/lib.go
index 7cd2e54..58e0083 100644
--- a/mdbx/lib.go
+++ b/mdbx/lib.go
@@ -42,7 +42,7 @@ func (b *MDBXBackend) Init() error {
 	if b.MaxLimit != 0 {
 		b.MaxLimitNegentropy = b.MaxLimit
 	} else {
-		b.MaxLimit = 500
+		b.MaxLimit = 1400
 		if b.MaxLimitNegentropy == 0 {
 			b.MaxLimitNegentropy = 16777216
 		}