diff --git a/pkg/storage/unified/sql/db/migrations/resource_mig.go b/pkg/storage/unified/sql/db/migrations/resource_mig.go
index c8a6d980104..c4db9b1dbb9 100644
--- a/pkg/storage/unified/sql/db/migrations/resource_mig.go
+++ b/pkg/storage/unified/sql/db/migrations/resource_mig.go
@@ -186,7 +186,7 @@ func initResourceTables(mg *migrator.Migrator) string {
 	}))
 
 	mg.AddMigration("Add key_path column to resource_history", migrator.NewAddColumnMigration(resource_history_table, &migrator.Column{
-		Name: "key_path", Type: migrator.DB_NVarchar, Length: 2048, Nullable: false, Default: "", IsLatin: true,
+		Name: "key_path", Type: migrator.DB_NVarchar, Length: 2048, Nullable: false, Default: "''", IsLatin: true,
 	}))
 
 	resource_events_table := migrator.Table{