Index: src/OFStdIOStream_Win32Console.m
==================================================================
--- src/OFStdIOStream_Win32Console.m
+++ src/OFStdIOStream_Win32Console.m
@@ -29,11 +29,11 @@
  * Therefore, instead of just using the UTF-8 codepage, this captures all reads
  * and writes to of_std{in,out,err} on the lowlevel, interprets the buffer as
  * UTF-8 and converts to / from UTF-16 to use ReadConsoleW() / WriteConsoleW().
  * Doing so is safe, as the console only supports text anyway and thus it does
  * not matter if binary gets garbled by the conversion (e.g. because invalid
- * UTF-8 gets converted to U+FFFE).
+ * UTF-8 gets converted to U+FFFD).
  *
  * In order to not do this when redirecting input / output to a file (as the
  * file would then be read / written in the wrong encoding and break reading /
  * writing binary), it checks that the handle is indeed a console.
  */
@@ -247,11 +247,11 @@
 		    _incompleteUTF8Surrogate, _incompleteUTF8SurrogateLen, &c);
 
 		if (UTF8Len <= 0 || c > 0x10FFFF) {
 			assert(UTF8Len == 0 || UTF8Len < -4);
 
-			UTF16[0] = 0xFFFE;
+			UTF16[0] = 0xFFFD;
 			UTF16Len = 1;
 		} else {
 			if (c > 0xFFFF) {
 				c -= 0x10000;
 				UTF16[0] = 0xD800 | (c >> 10);
@@ -294,11 +294,11 @@
 
 				break;
 			}
 
 			if (UTF8Len <= 0 || c > 0x10FFFF) {
-				tmp[j++] = 0xFFFE;
+				tmp[j++] = 0xFFFD;
 				i++;
 				continue;
 			}
 
 			if (c > 0xFFFF) {