diff --git a/compiler/cpp/test/plugin/conversion_test.cc b/compiler/cpp/test/plugin/conversion_test.cc
index 5159ba4..7fe9a5b 100644
--- a/compiler/cpp/test/plugin/conversion_test.cc
+++ b/compiler/cpp/test/plugin/conversion_test.cc
@@ -24,6 +24,7 @@
 #include <map>
 #include <vector>
 
+#undef VERSION
 #include <boost/preprocessor.hpp>
 #include <boost/test/included/unit_test.hpp>
 #include <boost/test/parameterized_test.hpp>