diff --git a/app/flags/ebas_dict.yaml b/app/flags/ebas_dict.yaml
index 418e74d..be936e1 100644
--- a/app/flags/ebas_dict.yaml
+++ b/app/flags/ebas_dict.yaml
@@ -35,3 +35,6 @@ flags:
   999:
     validity: "I"
     description: "Missing measurement, unspecified reason"
+
+# Define flag rankings with flag 0 as the absolute lowest
+flag_ranking : {100: 100, 110: 80, 111: 75, 559: 60, 652: 50, 660: 40, 456: 30, 460: 28, 599: 26, 659: 24, 999: 20, 0: 10}