diff --git a/unittests/integer_literal_test.cpp b/unittests/integer_literal_test.cpp
index 9112374..3187b65 100644
--- a/unittests/integer_literal_test.cpp
+++ b/unittests/integer_literal_test.cpp
@@ -4,6 +4,7 @@
 
 
 #ifdef CHAISCRIPT_MSVC
+// ignore errors about negative unsigned integer literals
 #pragma warning(push)
 #pragma warning(disable : 4146)
 #endif