diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d9431c..29d7d60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -161,8 +161,8 @@ 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")