diff --git a/Makefile b/Makefile
index 328553c..f9d387b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 all: output/entrouvert-archive.gpg
 
 NAME = entrouvert-archive
-VERSION=`git describe | sed 's/^debian\///' `
+VERSION=`git describe | sed 's/^v//; s/-/./g'`
 
 DIST_FILES = \
 	keys \