diff -pruN v0.9.0-92388ab3ad.clean.o/CMakeLists.txt v0.9.0-92388ab3ad.clean/CMakeLists.txt
--- a/CMakeLists.txt	2021-02-23 04:51:41.000000000 +0300
+++ b/CMakeLists.txt	2021-04-14 23:35:50.866487600 +0300
@@ -165,7 +165,7 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC
         # A C4556 warning will be generated on violation.
         # Commonly used /utf-8 flag assumes UTF-8 for both source and console, which is usually not the case.
         # Warnings can be suppressed but there will still be random characters printed to the console.
-        /source-charset:utf-8 /execution-charset:us-ascii
+        #/source-charset:utf-8 /execution-charset:us-ascii
     )
 else()
     MESSAGE(FATAL_ERROR "libavif: Unknown compiler, bailing out")