diff --git a/generate_release.sh b/generate_release.sh
index 66bc81e..09131cf 100644
--- a/generate_release.sh
+++ b/generate_release.sh
@@ -7,4 +7,6 @@ echo 'will cite' | parallel --bibtex
 broadwayd :5 &
 GDK_BACKEND=broadway BROADWAY_DISPLAY=:5 bash tasks/build.sh -r -v -e -k -o
 
-tar -cvzf ~/output/aleta-`git log --pretty=format:%H -1`.tar.gz _build/aleta
+COMMITVER="`git log --pretty=format:%h -1`"
+
+tar -cvzf ~/output/aleta-"$COMMITVER".tar.gz _build/aleta