diff -urNad convmv.orig/convmv-1.12/debian/rules convmv/convmv-1.12/debian/rules
--- convmv.orig/convmv-1.12/debian/rules	2015-02-04 15:55:04.775667392 +0000
+++ convmv/convmv-1.12/debian/rules	2015-02-04 15:57:44.598661811 +0000
@@ -29,7 +29,7 @@
 	dh_clean -k 
 	dh_installdirs
 
-	$(MAKE) install DESTDIR=$(CURDIR)/debian/convmv PREFIX=/usr
+	$(MAKE) install DESTDIR=$(CURDIR)/debian/convmv PREFIX=/usr GZIP=-9n 
 
 
 # Build architecture-independent files here.