diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index f2ea6ed6e..dc61c396a 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -40,6 +40,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
 * BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): fix panic on vmagent shutdown which could lead to loosing aggregation results which were not flushed to remote yet. See [this](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/4407) for details.
 * BUGFIX: [vmagent](https://docs.victoriametrics.com/vmagent.html): fixed service name detection for [consulagent service discovery](https://docs.victoriametrics.com/sd_configs.html?highlight=consulagent#consulagent_sd_configs) in case of a difference in service name and service id. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4390) for details.
 * BUGFIX: [vmbackupmanager](https://docs.victoriametrics.com/vmbackupmanager.html): fix an issue with `vmbackupmanager` not being able to restore data from a backup stored in GCS. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4420) for details.
+* BUGFIX: [storage](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html): Properly creates `parts.json` after migration from versions below `v1.90.0. It must fix errors on start-up after unclean shutdown. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4336) for details.
 
 ## [v1.91.2](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.91.2)
 
diff --git a/lib/mergeset/table.go b/lib/mergeset/table.go
index f436307cf..86bb0c56f 100644
--- a/lib/mergeset/table.go
+++ b/lib/mergeset/table.go
@@ -1386,6 +1386,11 @@ func mustOpenParts(path string) []*partWrapper {
 		}
 		pws = append(pws, pw)
 	}
+	partNamesPath := filepath.Join(path, partsFilename)
+	if !fs.IsPathExist(partNamesPath) {
+		// create parts.json file on migration from previous versions before v1.90.0
+		mustWritePartNames(pws, path)
+	}
 
 	return pws
 }
diff --git a/lib/storage/partition.go b/lib/storage/partition.go
index 37f071286..779c2cb21 100644
--- a/lib/storage/partition.go
+++ b/lib/storage/partition.go
@@ -267,6 +267,12 @@ func mustOpenPartition(smallPartsPath, bigPartsPath string, s *Storage) *partiti
 	smallParts := mustOpenParts(smallPartsPath, partNamesSmall)
 	bigParts := mustOpenParts(bigPartsPath, partNamesBig)
 
+	partNamesPath := filepath.Join(smallPartsPath, partsFilename)
+	if !fs.IsPathExist(partNamesPath) {
+		// create parts.json file on migration from previous versions before v1.90.0
+		mustWritePartNames(smallParts, bigParts, smallPartsPath)
+	}
+
 	pt := newPartition(name, smallPartsPath, bigPartsPath, s)
 	pt.smallParts = smallParts
 	pt.bigParts = bigParts