diff --git a/test/test_transaction.cpp b/test/test_transaction.cpp
index 53f69d0eb0079ff258d7b87747df864580e323d0..418b631bc5d5680f737bd56bc38696fd2f00e7f4 100644
--- a/test/test_transaction.cpp
+++ b/test/test_transaction.cpp
@@ -20,7 +20,7 @@
  */
 #include "caosdb/connection.h" // for Connection, ConnectionManager
 #include "caosdb/entity.h"     // for Entity, Messages, Message
-#include "caosdb/file_transmission/FileWriter.h" // for FileWriter
+#include "caosdb/file_transmission/file_writer.h" // for FileWriter
 #include "caosdb/message_code.h"       // for ENTITY_DOES_NOT_EXIST, Messag...
 #include "caosdb/status_code.h"        // for SUCCESS, StatusCode
 #include "caosdb/transaction.h"        // for Entity, Transaction,...