diff --git a/src/core/server/saved_objects/migrationsv2/model.ts b/src/core/server/saved_objects/migrationsv2/model.ts
index adf4c524a21bb..3556bb611bb67 100644
--- a/src/core/server/saved_objects/migrationsv2/model.ts
+++ b/src/core/server/saved_objects/migrationsv2/model.ts
@@ -715,9 +715,6 @@ export const createInitialState = ({
   migrationVersionPerType: SavedObjectsMigrationVersion;
   indexPrefix: string;
 }): InitState => {
-  // Convert the kibanaVersion to lower case so that it's valid for using in an
-  // index name. This is necessary for pre-release builds like `8.0.0-SNAPSHOT`
-  const kibanaVersionLc = kibanaVersion.toLowerCase();
   const outdatedDocumentsQuery = {
     bool: {
       should: Object.entries(migrationVersionPerType).map(([type, latestVersion]) => ({
@@ -747,10 +744,10 @@ export const createInitialState = ({
     indexPrefix,
     legacyIndex: indexPrefix,
     currentAlias: indexPrefix,
-    versionAlias: `${indexPrefix}_${kibanaVersionLc}`,
-    versionIndex: `${indexPrefix}_${kibanaVersionLc}_001`,
-    tempIndex: `${indexPrefix}_${kibanaVersionLc}_reindex_temp`,
-    kibanaVersion: kibanaVersionLc,
+    versionAlias: `${indexPrefix}_${kibanaVersion}`,
+    versionIndex: `${indexPrefix}_${kibanaVersion}_001`,
+    tempIndex: `${indexPrefix}_${kibanaVersion}_reindex_temp`,
+    kibanaVersion,
     preMigrationScript: Option.fromNullable(preMigrationScript),
     targetIndexMappings: targetMappings,
     tempIndexMappings: reindexTargetMappings,