Index: src/Makefile.in
--- src/Makefile.in.orig
+++ src/Makefile.in
@@ -858,7 +858,7 @@ uninstall-man: uninstall-man1
 
 
 .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 $@