diff -uprN wxmedit-git.git/src/wxmedit/src/xm/encoding/multibyte.cpp wxmedit-git/src/wxmedit/src/xm/encoding/multibyte.cpp
--- a/src/xm/encoding/multibyte.cpp	2022-05-15 23:58:39.274350279 +0800
+++ b/src/xm/encoding/multibyte.cpp	2022-05-15 22:48:47.800707488 +0800
@@ -33,7 +33,7 @@ ICUConverter::ICUConverter(const std::st
 
 	m_ucnv = ucnv_open(encname.c_str(), &err);
 
-	ucnv_setFallback(m_ucnv, FALSE);
+	ucnv_setFallback(m_ucnv, false);
 	ucnv_setFromUCallBack(m_ucnv, error_callback, nullptr, nullptr, nullptr, &err);
 }