diff --git a/tests/unit-tests/sync-core.t.cpp b/tests/unit-tests/sync-core.t.cpp
index 04f560a..85bdfb5 100644
--- a/tests/unit-tests/sync-core.t.cpp
+++ b/tests/unit-tests/sync-core.t.cpp
@@ -1,5 +1,5 @@
-#include "sync-core.h"
-#include "logging.h"
+#include "sync-core.hpp"
+#include "logging.hpp"
 
 #include <boost/test/unit_test.hpp>
 #include <boost/filesystem.hpp>