diff --git a/params/version.go b/params/version.go
index d04bb02f4..6171d8aac 100644
--- a/params/version.go
+++ b/params/version.go
@@ -31,10 +31,10 @@ var (
 
 // see https://calver.org
 const (
-	VersionMajor       = 2022  // Major version component of the current release
-	VersionMinor       = 99    // Minor version component of the current release
-	VersionMicro       = 99    // Patch version component of the current release
-	VersionModifier    = "dev" // Modifier component of the current release
+	VersionMajor       = 2022    // Major version component of the current release
+	VersionMinor       = 8       // Minor version component of the current release
+	VersionMicro       = 3       // Patch version component of the current release
+	VersionModifier    = "alpha" // Modifier component of the current release
 	VersionKeyCreated  = "ErigonVersionCreated"
 	VersionKeyFinished = "ErigonVersionFinished"
 )
diff --git a/turbo/snapshotsync/block_snapshots.go b/turbo/snapshotsync/block_snapshots.go
index 174d1cf42..374b01fb9 100644
--- a/turbo/snapshotsync/block_snapshots.go
+++ b/turbo/snapshotsync/block_snapshots.go
@@ -412,6 +412,9 @@ func (s *RoSnapshots) Files() (list []string) {
 	defer s.Txs.lock.RUnlock()
 	max := s.BlocksAvailable()
 	for _, seg := range s.Bodies.segments {
+		if seg.seg == nil {
+			continue
+		}
 		if seg.ranges.from > max {
 			continue
 		}
@@ -419,6 +422,9 @@ func (s *RoSnapshots) Files() (list []string) {
 		list = append(list, fName)
 	}
 	for _, seg := range s.Headers.segments {
+		if seg.seg == nil {
+			continue
+		}
 		if seg.ranges.from > max {
 			continue
 		}
@@ -426,6 +432,9 @@ func (s *RoSnapshots) Files() (list []string) {
 		list = append(list, fName)
 	}
 	for _, seg := range s.Txs.segments {
+		if seg.Seg == nil {
+			continue
+		}
 		if seg.ranges.from > max {
 			continue
 		}