diff -urNad mod-authn-webid.orig/mod-authn-webid-0~20110301/debian/rules mod-authn-webid/mod-authn-webid-0~20110301/debian/rules
--- mod-authn-webid.orig/mod-authn-webid-0~20110301/debian/rules	2015-02-12 02:49:24.413588457 +0000
+++ mod-authn-webid/mod-authn-webid-0~20110301/debian/rules	2015-02-12 02:50:16.011416583 +0000
@@ -29,7 +29,7 @@
 	$(INSTALL_FILE) debian/authn_webid.load $(CURDIR)/debian/$(package)/etc/apache2/mods-available
 	$(INSTALL_FILE) debian/copyright debian/$(package)/usr/share/doc/$(package)/copyright
 	$(INSTALL_FILE) debian/changelog debian/$(package)/usr/share/doc/$(package)/changelog.Debian
-	gzip -9f `find debian/$(package)/usr/share/man -type f` `find debian/$(package)/usr/share/doc -type f ! -name "copyright"`
+	gzip -9nf `find debian/$(package)/usr/share/man -type f` `find debian/$(package)/usr/share/doc -type f ! -name "copyright"`
 ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
 	strip --remove-section=.comment --remove-section=.note \
 		--strip-unneeded debian/$(package)/usr/lib/apache2/modules/*.so