--- clustalw.c-orig	Wed Jun  7 01:50:05 2000
+++ clustalw.c	Thu Jul  6 20:19:31 2000
@@ -33,7 +33,7 @@
 #ifdef MSDOS
         char *help_file_name = "clustalw.hlp";
 #else
-        char *help_file_name = "clustalw_help";
+        char *help_file_name = DATADIR "/clustalw_help";
 #endif
 
 sint max_names; /* maximum length of names in current alignment file */