diff --git a/src/lib-storage/index/index-transaction.c b/src/lib-storage/index/index-transaction.c
index f5a46c9e6e..85c94a92f7 100644
--- a/src/lib-storage/index/index-transaction.c
+++ b/src/lib-storage/index/index-transaction.c
@@ -56,8 +56,6 @@ index_transaction_index_commit(struct mail_index_transaction *index_trans,
 		} else if (t->box->v.transaction_save_commit_pre(t->save_ctx) < 0) {
 			t->save_ctx = NULL;
 			ret = -1;
-		} else {
-			t->changes->changed = TRUE;
 		}
 	}
 
@@ -73,9 +71,8 @@ index_transaction_index_commit(struct mail_index_transaction *index_trans,
 		if (t->super.commit(index_trans, result_r) < 0) {
 			mailbox_set_index_error(t->box);
 			ret = -1;
-		} else if (result_r->commit_size > 0) {
-			/* something was written to the transaction log */
-			t->changes->changed = TRUE;
+		} else {
+			t->changes->changes_mask = result_r->changes_mask;
 		}
 	}
 
diff --git a/src/lib-storage/list/mailbox-list-index-status.c b/src/lib-storage/list/mailbox-list-index-status.c
index ee7f468509..1a6655b1dd 100644
--- a/src/lib-storage/list/mailbox-list-index-status.c
+++ b/src/lib-storage/list/mailbox-list-index-status.c
@@ -792,7 +792,8 @@ index_list_transaction_commit(struct mailbox_transaction_context *t,
 		return -1;
 	t = NULL;
 
-	if (!changes_r->changed)
+	/* check all changes here, because e.g. vsize update is _OTHERS */
+	if (changes_r->changes_mask == 0)
 		return 0;
 
 	/* this transaction commit may have been done in error handling path
diff --git a/src/lib-storage/mail-storage.h b/src/lib-storage/mail-storage.h
index e9d78ad0e8..f863993717 100644
--- a/src/lib-storage/mail-storage.h
+++ b/src/lib-storage/mail-storage.h
@@ -343,8 +343,8 @@ struct mail_transaction_commit_changes {
 	/* number of modseq changes that couldn't be changed as requested */
 	unsigned int ignored_modseq_changes;
 
-	/* TRUE if anything actually changed with this commit */
-	bool changed;
+	/* Changes that occurred within this transaction */
+	enum mail_index_transaction_change changes_mask;
 	/* User doesn't have read ACL for the mailbox, so don't show the
 	   uid_validity / saved_uids. */
 	bool no_read_perm;
diff --git a/src/plugins/replication/replication-plugin.c b/src/plugins/replication/replication-plugin.c
index d6f059c15f..461cfeeda3 100644
--- a/src/plugins/replication/replication-plugin.c
+++ b/src/plugins/replication/replication-plugin.c
@@ -262,7 +262,7 @@ replication_mail_transaction_commit(void *txn,
 	enum replication_priority priority;
 
 	if (ruser != NULL && !ctx->sync_trans &&
-	    (ctx->new_messages || changes->changed)) {
+	    (ctx->new_messages || changes->changes_mask != 0)) {
 		priority = !ctx->new_messages ? REPLICATION_PRIORITY_LOW :
 			ruser->sync_secs == 0 ? REPLICATION_PRIORITY_HIGH :
 			REPLICATION_PRIORITY_SYNC;