diff --git a/testsuite/unittests/catch/catch.hpp b/testsuite/unittests/catch/catch.hpp
index 03665c43f1b5772b511af3ce6e81ceea5ba71cb2..78c110ef5b500f672cfa98a5c60f1919ddc1bffb 100644
--- a/testsuite/unittests/catch/catch.hpp
+++ b/testsuite/unittests/catch/catch.hpp
@@ -116,7 +116,7 @@
 
 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6 && defined(__GXX_EXPERIMENTAL_CXX0X__) )
 
-#define CATCH_CONFIG_CPP11_NULLPTR
+//#define CATCH_CONFIG_CPP11_NULLPTR
 #endif
 
 #endif // __GNUC__