diff --git a/Framework/LiveData/test/KafkaHistoStreamDecoderTest.h b/Framework/LiveData/test/KafkaHistoStreamDecoderTest.h
index 2192315d96c7b2e6d08fb8105549fdd22039ced2..fa0163e4c10a55b6ebb9efadaa47e09e7e28d020 100644
--- a/Framework/LiveData/test/KafkaHistoStreamDecoderTest.h
+++ b/Framework/LiveData/test/KafkaHistoStreamDecoderTest.h
@@ -39,14 +39,13 @@ public:
     auto &config = ConfigService::Instance();
     auto baseInstDir = config.getInstrumentDirectory();
     Poco::Path testFile =
-        Poco::Path(baseInstDir)
-            .resolve("IDFs_for_UNIT_TESTING/UnitTestFacilities.xml");
+        Poco::Path(baseInstDir).resolve("unit_testing/UnitTestFacilities.xml");
     // Load the test facilities file
     config.updateFacilities(testFile.toString());
     config.setFacility("TEST");
     // Update instrument search directory
     config.setString("instrumentDefinition.directory",
-                     baseInstDir + "/IDFs_for_UNIT_TESTING");
+                     baseInstDir + "/unit_testing");
   }
 
   void tearDown() override {