diff --git a/src/ReportBase/_Constants.py b/src/ReportBase/_Constants.py
index 0ea616ef2..f34b781b4 100644
--- a/src/ReportBase/_Constants.py
+++ b/src/ReportBase/_Constants.py
@@ -65,6 +65,7 @@ book_categories = {
 }
 
 # Quick Report categories
+CATEGORY_QR_MISC       = -1
 CATEGORY_QR_PERSON     = 0
 CATEGORY_QR_FAMILY     = 1
 CATEGORY_QR_EVENT      = 2