diff --git a/ebean-core/src/main/java/io/ebeaninternal/server/transaction/JdbcTransaction.java b/ebean-core/src/main/java/io/ebeaninternal/server/transaction/JdbcTransaction.java
index a48fc9e67..7fb1a54e5 100644
--- a/ebean-core/src/main/java/io/ebeaninternal/server/transaction/JdbcTransaction.java
+++ b/ebean-core/src/main/java/io/ebeaninternal/server/transaction/JdbcTransaction.java
@@ -998,6 +998,9 @@ class JdbcTransaction implements SpiTransaction, TxnProfileEventCodes {
   public final void preCommit() {
     internalBatchFlush();
     firePreCommit();
+    // we must flush the batch queue again, because the callback can
+    // modify current transaction
+    internalBatchFlush();
   }
 
   /**