diff --git a/doc/misc/Makefile.in b/doc/misc/Makefile.in
index d9c5173c072..1d881a5fc7f 100644
--- a/doc/misc/Makefile.in
+++ b/doc/misc/Makefile.in
@@ -248,6 +248,7 @@ emacs = "${EMACS}" -batch --no-site-file --no-site-lisp --eval '(setq load-prefe
 define org_template
  $(1:.org=.texi): $(1) ${top_srcdir}/lisp/org/ox-texinfo.el
 	$${AM_V_GEN}cd "$${srcdir}" && $${emacs} -l ox-texinfo \
+	  --eval '(setq gc-cons-threshold 50000000)' \
 	  -f org-texinfo-export-to-texinfo-batch $$(notdir $$<) $$(notdir $$@)
 endef