diff --git a/tests/Basic/Basic.h b/tests/Basic/Basic.h
index 4e93f3b7..de936323 100644
--- a/tests/Basic/Basic.h
+++ b/tests/Basic/Basic.h
@@ -124,8 +124,8 @@ public:
     bool TestPrimitiveOut(CS_OUT float* f);
     bool TestPrimitiveOutRef(CS_OUT float& f);
 
-	bool TestPrimitiveInOut(CS_IN_OUT int* i);
-	bool TestPrimitiveInOutRef(CS_IN_OUT int& i);
+    bool TestPrimitiveInOut(CS_IN_OUT int* i);
+    bool TestPrimitiveInOutRef(CS_IN_OUT int& i);
 };
 
 class DLL_API AbstractFoo