diff --git a/script/version b/script/version
index 9587da37..bf3bd73c 100755
--- a/script/version
+++ b/script/version
@@ -10,4 +10,4 @@
 
 printf $'%s%s\n'\
  "${"$(git describe --tags 2>/dev/null)"#v}"\
- "${"$(git diff-index HEAD --;git ls-files --exclude-standard --others)":++}"
+ "${"$(git diff-index HEAD --;git ls-files --exclude-standard --others)":+"${MAS_DIRTY_INDICATOR-+}"}"