Index: src/Makefile.in
--- src/Makefile.in.orig
+++ src/Makefile.in
@@ -1306,7 +1306,7 @@ dummy.vala: $(BUILT_VAPIS) $(VAPIS)
 util.h util.vapi: libutil.la
 
 .1.html:
-	groff -mandoc -Thtml $< > $@
+	mandoc -Thtml $< > $@
 
 enchant-@ENCHANT_MAJOR_VERSION@.1: $(builddir)/enchant.1 Makefile.am $(top_builddir)/config.status
 	cp $(abs_builddir)/enchant.1 $@
