diff --git a/module/Makefile.am b/module/Makefile.am
index 957ac60bd..69c8a4af4 100644
--- a/module/Makefile.am
+++ b/module/Makefile.am
@@ -264,6 +264,7 @@ RNRS_SOURCES =					\
   rnrs/6/hashtables.scm				\
   rnrs/6/lists.scm				\
   rnrs/6/programs.scm				\
+  rnrs/6/r5rs.scm				\
   rnrs/6/sorting.scm				\
   rnrs/6/syntax-case.scm			\
   rnrs/6/unicode.scm				\
diff --git a/module/rnrs/6/r5rs.scm b/module/rnrs/6/r5rs.scm
new file mode 100644
index 000000000..fefda0520
--- /dev/null
+++ b/module/rnrs/6/r5rs.scm
@@ -0,0 +1,34 @@
+;;; r5rs.scm --- The R6RS / R5RS compatibility library
+
+;;      Copyright (C) 2010 Free Software Foundation, Inc.
+;;
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 3 of the License, or (at your option) any later version.
+;; 
+;; This library is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; Lesser General Public License for more details.
+;; 
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+
+(library (rnrs r5rs (6))
+  (export exact->inexact inexact->exact 
+
+	  quotient remainder modulo 
+
+	  delay force 
+
+	  null-environment scheme-report-environment)
+  (import (only (guile) exact->inexact inexact->exact
+			
+			quotient remainder modulo
+			
+			delay force
+
+			null-environment scheme-report-environment)))