diff --git a/scripts/version.sh b/scripts/version.sh
index 841b9627c4..42b5536da6 100755
--- a/scripts/version.sh
+++ b/scripts/version.sh
@@ -17,7 +17,7 @@ cdroot
 
 # If in Sapling, just print the commit since we don't have tags.
 if [ -d ".sl" ]; then
-	sl log -l 1 | awk '/changeset/ { print substr($2, 0, 16) }'
+	sl log -l 1 | awk '/changeset/ { printf "0.0.0+sl-%s\n", substr($2, 0, 16) }'
 	exit 0
 fi