diff --git a/common/cpp/unittests/data_structs/test_data_structs.cpp b/common/cpp/unittests/data_structs/test_data_structs.cpp
index 30a24a831651e9f8b0274d272d8346cd5b20894f..85222ab50bc9b905fb3644baee4ba8b3d8a7d59a 100644
--- a/common/cpp/unittests/data_structs/test_data_structs.cpp
+++ b/common/cpp/unittests/data_structs/test_data_structs.cpp
@@ -57,10 +57,10 @@ TEST(MessageMetaTests, CorrectConvertToJson) {
     std::string json = message_meta.Json();
     if (asapo::kPathSeparator == '/') {
         ASSERT_THAT(json, Eq(
-                        R"({"_id":1,"size":100,"name":"folder/test","timestamp":1000000,"source":"host:1234","buf_id":-1,"stream":"testStream","dataset_substream":3,"ingest_mode":13,"meta":{"bla":10}})"));
+                        R"({"_id":1,"size":100,"name":"folder/test","timestamp":1000000,"source":"host:1234","ib_source":"","buf_id":-1,"stream":"testStream","dataset_substream":3,"ingest_mode":13,"meta":{"bla":10}})"));
     } else {
         ASSERT_THAT(json, Eq(
-                        R"({"_id":1,"size":100,"name":"folder\\test","timestamp":1000000,"source":"host:1234","buf_id":-1,"stream":"testStream","dataset_substream":3,"ingest_mode":13,"meta":{"bla":10}})"));
+                        R"({"_id":1,"size":100,"name":"folder\\test","timestamp":1000000,"source":"host:1234","ib_source":"","buf_id":-1,"stream":"testStream","dataset_substream":3,"ingest_mode":13,"meta":{"bla":10}})"));
     }
 }