--- doc/Makefile.in.orig	Mon Jan 29 14:12:58 2007
+++ doc/Makefile.in	Mon Jan 29 14:13:30 2007
@@ -480,7 +480,7 @@
 	rm -rf $(DESTDIR)@SIPX_DOCDIR@/@PACKAGE@
 	@INSTALL@ -d $(DESTDIR)@SIPX_DOCDIR@/@PACKAGE@
 	find @PACKAGE@ -type f -print \
-	| xargs -i% @INSTALL@ -m u=rw,go=r % $(DESTDIR)@SIPX_DOCDIR@/%
+	| xargs -I% @INSTALL@ -m u=rw,go=r % $(DESTDIR)@SIPX_DOCDIR@/%
 
 clean: clean-doc