diff --git a/test/fff_test_cpp.cpp b/test/fff_test_cpp.cpp
index 2c1c65a..f349177 100644
--- a/test/fff_test_cpp.cpp
+++ b/test/fff_test_cpp.cpp
@@ -74,7 +74,7 @@ namespace cxx
 #ifndef TEST_WITH_CALLING_CONVENTIONS
     FAKE_VOID_FUNC(voidfunc1, cxx::int_t);
 #else
-	FAKE_VOID_FUNC(_cdecl, voidfunc1, cxx::int_t);
+    FAKE_VOID_FUNC(_cdecl, voidfunc1, cxx::int_t);
 #endif
 }