diff -urNad ftpcopy.orig/ftpcopy-0.6.7/debian/implicit ftpcopy/ftpcopy-0.6.7/debian/implicit
--- ftpcopy.orig/ftpcopy-0.6.7/debian/implicit	2015-02-07 23:27:33.735849250 +0000
+++ ftpcopy/ftpcopy-0.6.7/debian/implicit	2015-02-07 23:30:31.099624273 +0000
@@ -35,7 +35,7 @@
 	    debian/$*/usr/share/doc/$*/changelog'
 	@test -s debian/$*/usr/share/doc/$*/changelog || \
 	  sh -cx 'rm -f debian/$*/usr/share/doc/$*/changelog'
-	@gzip -9 debian/$*/usr/share/doc/$*/changelog*
+	@gzip -9n debian/$*/usr/share/doc/$*/changelog*
 %.deb-docs-docs: %.deb-docs-base
 	@for i in `cat debian/$*.docs 2>/dev/null || :`; do \
 	  if test -d $$i; then \
@@ -54,7 +54,7 @@
 	@if test -r debian/$*.NEWS.Debian; then \
 	  sh -cx 'install -m0644 debian/$*.NEWS.Debian \
 	    debian/$*/usr/share/doc/$*/NEWS.Debian && \
-	      gzip -9 debian/$*/usr/share/doc/$*/NEWS.Debian'; \
+	      gzip -9n debian/$*/usr/share/doc/$*/NEWS.Debian'; \
 	fi
 %.deb-docs-examples: %.deb-docs-docs
 	@rm -rf debian/$*/usr/share/doc/$*/examples
diff -urNad ftpcopy.orig/ftpcopy-0.6.7/debian/rules ftpcopy/ftpcopy-0.6.7/debian/rules
--- ftpcopy.orig/ftpcopy-0.6.7/debian/rules	2015-02-07 23:27:33.735849250 +0000
+++ ftpcopy/ftpcopy-0.6.7/debian/rules	2015-02-07 23:30:21.151188117 +0000
@@ -62,7 +62,7 @@
 	# man pages
 	install -d -m0755 '$(DIR)'/usr/share/man/man1
 	install -m0644 web/ftpcopy/doc/*.1 '$(DIR)'/usr/share/man/man1/
-	gzip -9 '$(DIR)'/usr/share/man/man1/*.1
+	gzip -9n '$(DIR)'/usr/share/man/man1/*.1
 	# changelog
 	test -r changelog || ln -s web/ftpcopy/src/ChangeLog changelog