diff --git a/bootstrap/sql/migrations/native/1.9.9/mysql/postDataMigrationSQLScript.sql b/bootstrap/sql/migrations/native/1.9.9/mysql/postDataMigrationSQLScript.sql
index cdc270570cb..606eb65a8c2 100644
--- a/bootstrap/sql/migrations/native/1.9.9/mysql/postDataMigrationSQLScript.sql
+++ b/bootstrap/sql/migrations/native/1.9.9/mysql/postDataMigrationSQLScript.sql
@@ -53,7 +53,7 @@ CREATE TEMPORARY TABLE IF NOT EXISTS column_to_table_mapping (
     column_hash VARCHAR(768) PRIMARY KEY,
     table_hash VARCHAR(768),
     INDEX idx_table_hash (table_hash)
-) ENGINE=MEMORY;
+) ENGINE=InnoDB;
 
 -- Populate mapping by extracting table hash (everything before the last dot)
 INSERT INTO column_to_table_mapping (column_hash, table_hash)