--- units/crtc.c.orig	Sun Apr 10 23:18:13 2005
+++ units/crtc.c	Sun Apr 10 23:20:27 2005
@@ -2694,7 +2694,7 @@
     }
   #endif
   if (!pccs && !_p_IsPrintable (ch)) return ' ';
-  return (crt_LinuxConsole && pccs) ? ch | A_ALTCHARSET : ch;
+  return (crt_LinuxConsole && pccs && (ch < 32 || ch > 126)) ? ch | A_ALTCHARSET : ch;
 }
 
 GLOBAL (void crt_ReadChar (int x, int y, Char *ch, TTextAttr *attr))