--- x48-0.6.1.orig/src/debugger.c	2009-07-31 20:10:40.000000000 -0400
+++ x48-0.6.1/src/debugger.c	2011-01-28 10:34:50.653860972 -0500
@@ -1922,7 +1922,7 @@
 	  if (old_line)
 	    cl = strcpy ((char *) malloc (strlen (old_line)), old_line);
 	  else
-	    cl = strcpy ((char *) malloc (strlen ("(null)")), "(null)");
+	    cl = strcpy ((char *) malloc (strlen ("(null)")+1), "(null)");
 	}
       else
 	{