diff --git a/src/backend/utils/init/miscinit.c b/src/backend/utils/init/miscinit.c
index fd1eb6d762..2ae41c013c 100644
--- a/src/backend/utils/init/miscinit.c
+++ b/src/backend/utils/init/miscinit.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/init/miscinit.c,v 1.128 2004/07/11 23:49:48 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/init/miscinit.c,v 1.129 2004/07/12 00:09:06 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -926,6 +926,7 @@ process_preload_libraries(char *preload_libraries_string)
 			funcname = NULL;
 		}
 
+		canonicalize_path(filename);
 		initfunc = (func_ptr) load_external_function(filename, funcname,
 													 true, NULL);
 		if (initfunc)
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 20bcf10820..de5701c9c7 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.217 2004/07/11 23:49:51 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.218 2004/07/12 00:09:07 momjian Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -1557,7 +1557,7 @@ static struct config_string ConfigureNamesString[] =
 			GUC_LIST_INPUT | GUC_LIST_QUOTE
 		},
 		&preload_libraries_string,
-		"", assign_canonical_path, NULL
+		"", NULL, NULL
 	},
 
 	{