2 files changed, 3 insertions, 2 deletions

diff --git a/lispref/Makefile.in b/lispref/Makefile.in
index c0e3b54c952..770ffd5769a 100644
--- a/lispref/Makefile.in
+++ b/lispref/Makefile.in
@@ -31,7 +31,7 @@ infodir = $(srcdir)/../info
 TEXI2DVI = texi2dvi
 SHELL = /bin/sh
 INSTALL_INFO = install-info
-MAKEINFO = makeinfo
+MAKEINFO = makeinfo --force
 
 # The name of the manual:
 VERSION=2.9
diff --git a/man/Makefile.in b/man/Makefile.in
index b9b309855c9..03c664190f5 100644
--- a/man/Makefile.in
+++ b/man/Makefile.in
@@ -31,7 +31,8 @@ VPATH=@srcdir@
 
 
 # The makeinfo program is part of the Texinfo distribution.
-MAKEINFO = makeinfo
+# Use --force so that it generates output even if there are errors.
+MAKEINFO = makeinfo --force
 INFO_TARGETS = ../info/emacs ../info/emacs-xtra ../info/ccmode ../info/cl \
                 ../info/dired-x ../info/ediff ../info/forms ../info/gnus \
                 ../info/message ../info/sieve ../info/pgg ../info/emacs-mime \