diff --git a/test/core/core_setup_message.cpp b/test/core/core_setup_message.cpp
index 3808dece..d0710ed9 100644
--- a/test/core/core_setup_message.cpp
+++ b/test/core/core_setup_message.cpp
@@ -226,7 +226,7 @@ int test_instruction_set()
 
 int test_cpp_version()
 {
-	std::printf("__cplusplus: %ld\n", __cplusplus);
+	std::printf("__cplusplus: %lld\n", __cplusplus);
 	
 	return 0;
 }