diff --git a/erpnext/projects/doctype/project/project.json b/erpnext/projects/doctype/project/project.json
index 8ed6888..3cdfcb2 100644
--- a/erpnext/projects/doctype/project/project.json
+++ b/erpnext/projects/doctype/project/project.json
@@ -447,7 +447,7 @@
    "fieldtype": "Select",
    "label": "Series",
    "no_copy": 1,
-   "options": "PROJ.####",
+   "options": "PROJ-.####",
    "print_hide": 1,
    "reqd": 1,
    "set_only_once": 1
@@ -502,4 +502,4 @@
  "timeline_field": "customer",
  "title_field": "project_name",
  "track_seen": 1
-}
\ No newline at end of file
+}