--- a/GNUmakefile	2019-04-02 19:49:59.000000000 +0200
+++ b/GNUmakefile	2019-09-21 14:08:33.043968397 +0200
@@ -215,7 +215,7 @@
 	mv -f $@.tmp $@
 
 %.1.gz: %.1
-	$(GZIP) --best -c < $< > $@
+	$(GZIP) -c < $< > $@
 
 HTML_DATA += html/README.html
 HTML_DATA += html/INSTALL.html