diff --git a/conf.d/Makefile.am b/conf.d/Makefile.am
index d0f3f26..3bb92dd 100644
--- a/conf.d/Makefile.am
+++ b/conf.d/Makefile.am
@@ -21,7 +21,11 @@
 #  TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 #  PERFORMANCE OF THIS SOFTWARE.
 
-BUILT_SOURCES = README
+NULL =
+BUILT_SOURCES = 		\
+	README			\
+	35-lang-normalize.conf	\
+	$(NULL)
 DOC_SOURCES = README.in
 DOC_FILES = $(DOC_SOURCES:.in=)
 
@@ -71,6 +75,7 @@
 	20-unhint-small-vera.conf	\
 	25-unhint-nonlatin.conf		\
 	30-metric-aliases.conf		\
+	35-lang-normalize.conf		\
 	40-nonlatin.conf		\
 	45-generic.conf			\
 	45-latin.conf			\
@@ -91,6 +96,9 @@
 README: $(srcdir)/README.in
 	sed "s|\@TEMPLATEDIR\@|$(templatedir)|" $< > $@
 
+35-lang-normalize.conf: ../fc-lang/Makefile.am
+	cd ../fc-lang && $(MAKE) $(AM_MAKEFLAGS) $(top_builddir)/conf.d/35-lang-normalize.conf
+
 install-data-hook:
 	mkdir -p $(DESTDIR)$(configdir)
 	@(echo cd $(DESTDIR)$(configdir);			\
diff --git a/fc-lang/Makefile.am b/fc-lang/Makefile.am
index 5fdccea..f8a9503 100644
--- a/fc-lang/Makefile.am
+++ b/fc-lang/Makefile.am
@@ -285,4 +285,19 @@
 	und_zmth.orth
 #	^-------------- Add new orth files here
 
+BUILT_SOURCES += $(top_builddir)/conf.d/35-lang-normalize.conf
+
+DISTCLEANFILES = $(BUILT_SOURCES)
+
+$(top_builddir)/conf.d/35-lang-normalize.conf: $(ORTH) Makefile
+	$(AM_V_GEN) echo "<fontconfig>" > $@ && \
+	for i in `echo $(ORTH) | sed -e 's/ /\n/g' | grep -v _ | sed -e 's/\.orth$$//g' | sort`; do \
+		echo "  <!-- $$i* -> $$i -->" >> $@; \
+		echo "  <match>" >> $@; \
+		echo "    <test name=\"lang\" compare=\"contains\"><string>$$i</string></test>" >> $@; \
+		echo "    <edit name=\"lang\" mode=\"assign\" binding=\"same\"><string>$$i</string></edit>" >> $@; \
+		echo "  </match>" >> $@; \
+	done && \
+	echo "</fontconfig>" >> $@
+
 -include $(top_srcdir)/git.mk