diff --git a/scsh/bsd/packages.scm b/scsh/bsd/packages.scm
index 93deca0..1749fd1 100644
--- a/scsh/bsd/packages.scm
+++ b/scsh/bsd/packages.scm
@@ -3,8 +3,8 @@
 ;;; Copyright (c) 1994 by Brian D. Carlstrom.
 
 (define-interface bsd44lite-fdflags-extras-interface
-  (export open/shlock
-	  open/exlock
+  (export open/shared-lock
+	  open/exclusive-lock
 	  open/async
 	  open/fsync
 	  fcntl/get-owner
@@ -126,7 +126,8 @@
 		      sockets-network-interface
 		      posix-errno-interface
 		      posix-fdflags-interface
-		      posix-signals-interface))
+		      posix-signals-interface
+		      signals-internals-interface))
 
 (define-structure bsd44lite-defs bsd44lite-defs-interface
   (open scheme bitwise defenum-package)