diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index a5847545..fb6350db 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -67,10 +67,13 @@
 // GCC
 #ifdef __GNUC__
 
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6 && defined(__GXX_EXPERIMENTAL_CXX0X__) )
+#if __GNUC__ == 4 && __GNUC_MINOR__ >= 6 && defined(__GXX_EXPERIMENTAL_CXX0X__)
 #   define CATCH_INTERNAL_CONFIG_CPP11_NULLPTR
 #endif
 
+// - otherwise more recent versions define __cplusplus >= 201103L
+// and will get picked up below
+
 
 #endif // __GNUC__