diff --git a/server/mongo/src/storage.ts b/server/mongo/src/storage.ts
index e3fbae62b1..312def10f9 100644
--- a/server/mongo/src/storage.ts
+++ b/server/mongo/src/storage.ts
@@ -151,11 +151,6 @@ class MongoAdapter extends MongoAdapterBase {
 
   protected override async txUpdateDoc (tx: TxUpdateDoc<Doc>): Promise<TxResult> {
     const domain = this.hierarchy.getDomain(tx.objectClass)
-    const operations = {
-      ...tx.operations,
-      modifiedBy: tx.modifiedBy,
-      modifiedOn: tx.modifiedOn
-    }
     if (isOperator(tx.operations)) {
       const operator = Object.keys(tx.operations)[0]
       if (operator === '$move') {
@@ -195,18 +190,30 @@ class MongoAdapter extends MongoAdapterBase {
         return await this.db.collection(domain).bulkWrite(ops as any)
       } else {
         if (tx.retrieve === true) {
-          const result = await this.db.collection(domain).findOneAndUpdate({ _id: tx.objectId }, operations, { returnDocument: 'after' })
+          const result = await this.db.collection(domain).findOneAndUpdate({ _id: tx.objectId }, {
+            ...tx.operations,
+            $set: {
+              modifiedBy: tx.modifiedBy,
+              modifiedOn: tx.modifiedOn
+            }
+          }, { returnDocument: 'after' })
           return { object: result.value }
         } else {
-          return await this.db.collection(domain).updateOne({ _id: tx.objectId }, operations)
+          return await this.db.collection(domain).updateOne({ _id: tx.objectId }, {
+            ...tx.operations,
+            $set: {
+              modifiedBy: tx.modifiedBy,
+              modifiedOn: tx.modifiedOn
+            }
+          })
         }
       }
     } else {
       if (tx.retrieve === true) {
-        const result = await this.db.collection(domain).findOneAndUpdate({ _id: tx.objectId }, { $set: operations }, { returnDocument: 'after' })
+        const result = await this.db.collection(domain).findOneAndUpdate({ _id: tx.objectId }, { $set: { ...tx.operations, modifiedBy: tx.modifiedBy, modifiedOn: tx.modifiedOn } }, { returnDocument: 'after' })
         return { object: result.value }
       } else {
-        return await this.db.collection(domain).updateOne({ _id: tx.objectId }, { $set: operations })
+        return await this.db.collection(domain).updateOne({ _id: tx.objectId }, { $set: { ...tx.operations, modifiedBy: tx.modifiedBy, modifiedOn: tx.modifiedOn } })
       }
     }
   }