diff --git a/test/external_storer_file_test.cpp b/test/external_storer_file_test.cpp
index f2718aa..04f6b2b 100644
--- a/test/external_storer_file_test.cpp
+++ b/test/external_storer_file_test.cpp
@@ -53,7 +53,7 @@
 
   protected:
     sdbusplus::SdBusMock sdbusMock;
-    sdbusplus::bus::bus bus;
+    sdbusplus::bus_t bus;
     std::unique_ptr<FileHandlerInterface> mockFileWriter;
     std::unique_ptr<ExternalStorerFileInterface> exStorer;
     MockFileWriter* mockFileWriterPtr;