diff --git a/package.json b/package.json
index 23c9035d..f55d2f91 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsstore",
-  "version": "4.3.2",
+  "version": "4.3.3",
   "description": "A complete IndexedDB wrapper with SQL like syntax.",
   "main": "dist/npm.export.js",
   "types": "dist/ts/main/index.d.ts",
diff --git a/src/worker/idbutil/index.ts b/src/worker/idbutil/index.ts
index fc67ccc6..0952be62 100644
--- a/src/worker/idbutil/index.ts
+++ b/src/worker/idbutil/index.ts
@@ -120,8 +120,8 @@ export class IDBUtil {
                     });
                 }
                 const addColumn = (store: IDBObjectStore, column: IColumn) => {
-                    if (column.enableSearch) {
-                        const columnName = column.name;
+                    const columnName = column.name;
+                    if (column.enableSearch && !store.indexNames.contains(columnName)) {
                         const options = column.primaryKey ? { unique: true } : { unique: column.unique };
                         options['multiEntry'] = column.multiEntry;
                         const keyPath = column.keyPath == null ? columnName : column.keyPath;
diff --git a/test/cases/db_upgrade.js b/test/cases/db_upgrade.js
index 319cc559..89f9c7fc 100644
--- a/test/cases/db_upgrade.js
+++ b/test/cases/db_upgrade.js
@@ -402,7 +402,13 @@ describe('Db upgrade Test', function () {
                         add: {
                             name: {
                                 dataType: 'string'
-                            }
+                            },
+                            "id": {
+                                "primaryKey": true,
+                                "dataType": "number",
+                                "autoIncrement": true,
+                                "notNull": true
+                            },
                         },
                     },
                     5: {