--- source/common/unicode/platform.h	2017-10-25 13:41:15.000000000 -0500
+++ source/common/unicode/platform.h	2018-04-04 02:07:28.851222016 -0500
@@ -606,7 +606,7 @@
         U_PLATFORM == U_PF_EMSCRIPTEN
 #   define U_CHARSET_IS_UTF8 1
 #else
-#   define U_CHARSET_IS_UTF8 0
+#   define U_CHARSET_IS_UTF8 1
 #endif
 
 /** @} */