diff --git a/src/common/platform/Windows.cpp b/src/common/platform/Windows.cpp
index 53ca59801..983c5ba2b 100644
--- a/src/common/platform/Windows.cpp
+++ b/src/common/platform/Windows.cpp
@@ -407,5 +407,9 @@ void SetupCrt()
 	{
 		_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
 	}
+	if (GetACP() != CP_UTF8)
+	{
+		std::cerr << "failed to set codepage to utf-8, expect breakage" << std::endl;
+	}
 }
 }