--- gforth/engine/io.c	2006/04/09 08:04:22	1.22
+++ gforth/engine/io.c	2006/04/09 08:24:47	1.23
@@ -645,6 +645,7 @@ Cell getkey(FILE * stream)
   Cell result;
   unsigned char c;
 
+  setvbuf(stream, NULL, _IONBF, 0);
   if(!terminal_prepped && stream == stdin)
     prep_terminal();