diff --git a/java/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImpl.java b/java/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImpl.java
index c1029be..0966bbe 100644
--- a/java/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImpl.java
+++ b/java/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImpl.java
@@ -441,8 +441,10 @@
         PatchSetInserter patchSetInserter =
             getPatchSetInserter(changeNotes, newPatchsetCommit, patchsetId);
 
-        IdentifiedUser changeOwner = userFactory.create(changeNotes.getChange().getOwner());
-        try (BatchUpdate batchUpdate = batchUpdateFactory.create(project, changeOwner, now)) {
+        Account.Id uploaderId =
+            patchsetCreation.uploader().orElse(changeNotes.getChange().getOwner());
+        IdentifiedUser uploader = userFactory.create(uploaderId);
+        try (BatchUpdate batchUpdate = batchUpdateFactory.create(project, uploader, now)) {
           batchUpdate.setRepository(repository, revWalk, objectInserter);
           batchUpdate.addOp(changeId, patchSetInserter);
           batchUpdate.execute();
diff --git a/java/com/google/gerrit/acceptance/testsuite/change/TestPatchsetCreation.java b/java/com/google/gerrit/acceptance/testsuite/change/TestPatchsetCreation.java
index 22a4da6..32731c1 100644
--- a/java/com/google/gerrit/acceptance/testsuite/change/TestPatchsetCreation.java
+++ b/java/com/google/gerrit/acceptance/testsuite/change/TestPatchsetCreation.java
@@ -17,6 +17,7 @@
 import com.google.auto.value.AutoValue;
 import com.google.common.collect.ImmutableList;
 import com.google.gerrit.acceptance.testsuite.ThrowingFunction;
+import com.google.gerrit.entities.Account;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.server.edit.tree.TreeModification;
 import java.util.Optional;
@@ -25,6 +26,8 @@
 @AutoValue
 public abstract class TestPatchsetCreation {
 
+  public abstract Optional<Account.Id> uploader();
+
   public abstract Optional<String> commitMessage();
 
   public abstract ImmutableList<TreeModification> treeModifications();
@@ -40,6 +43,11 @@
 
   @AutoValue.Builder
   public abstract static class Builder {
+    /**
+     * The uploader for the new patch set. If not set the new patch set is uploaded by the change
+     * owner.
+     */
+    public abstract Builder uploader(Account.Id uploader);
 
     public abstract Builder commitMessage(String commitMessage);
 
diff --git a/javatests/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImplTest.java b/javatests/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImplTest.java
index 6c629c9..fd5f6fc 100644
--- a/javatests/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImplTest.java
+++ b/javatests/com/google/gerrit/acceptance/testsuite/change/ChangeOperationsImplTest.java
@@ -795,6 +795,23 @@
   }
 
   @Test
+  public void newPatchsetCanHaveDifferentUploader() throws Exception {
+    Account.Id changeOwner = accountOperations.newAccount().create();
+    Change.Id changeId = changeOperations.newChange().owner(changeOwner).create();
+
+    ChangeInfo change = getChangeFromServer(changeId);
+    RevisionInfo currentPatchsetRevision = change.revisions.get(change.currentRevision);
+    assertThat(currentPatchsetRevision.uploader._accountId).isEqualTo(changeOwner.get());
+
+    Account.Id newUploader = accountOperations.newAccount().create();
+    changeOperations.change(changeId).newPatchset().uploader(newUploader).create();
+
+    change = getChangeFromServer(changeId);
+    currentPatchsetRevision = change.revisions.get(change.currentRevision);
+    assertThat(currentPatchsetRevision.uploader._accountId).isEqualTo(newUploader.get());
+  }
+
+  @Test
   public void newPatchsetCanHaveUpdatedCommitMessage() throws Exception {
     Change.Id changeId = changeOperations.newChange().commitMessage("Old message").create();