diff --git a/documentation/Makefile.in b/documentation/Makefile.in
index 9efa7f1e6f6df6089b442d15b77ef78ea96f2118..375994cac2955380a8d07581870c571d9ef80767 100644
--- a/documentation/Makefile.in
+++ b/documentation/Makefile.in
@@ -50,10 +50,10 @@ $(BOOKNAME)/index.html: $(BOOK_SRCS)
 	$(DB2HTML) $(BOOKNAME).sgml
 
 $(BOOKNAME).pdf: $(BOOK_SRCS)
-	db2pdf $(BOOKNAME).sgml > /dev/null 2>&1
+	db2pdf $(BOOKNAME).sgml > /dev/null
 
 $(BOOKNAME).ps: $(BOOK_SRCS)
-	db2ps $(BOOKNAME).sgml > /dev/null 2>&1
+	db2ps $(BOOKNAME).sgml > /dev/null
 
 install:: 
 	$(INSTALL) -d $(mandir)/man$(prog_manext)