diff --git a/src/dos/dos_files.cpp b/src/dos/dos_files.cpp
index 5726f4f5..326eb77a 100644
--- a/src/dos/dos_files.cpp
+++ b/src/dos/dos_files.cpp
@@ -92,7 +92,7 @@ bool DOS_MakeName(char const * const name,char * const fullname,Bit8u * drive) {
 		case '!':	case '%':	case '{':	case '}':	case '`':	case '~':
 		case '_':	case '-':	case '.':	case '*':	case '?':	case '&':
 		case '\'':	case '+':	case '^':	case 246:	case 255:	case 0xa0:
-		case 0xe5:	case 0xbd:	case 0x9d:
+		case 0x84:	case 0xe5:	case 0xbd:	case 0x9d:
 			upname[w++]=c;
 			break;
 		default: