diff --git a/data/token_prefixes.json b/data/token_prefixes.json
index 66373e3..c010b9b 100644
--- a/data/token_prefixes.json
+++ b/data/token_prefixes.json
@@ -15,6 +15,7 @@
   "DREADNOUGHT",
   "DYING-IN-LA",
   "EMERGENCY-CONTACT",
+  "EXPENSIVE-MISTAKES",
   "FAIRLY-LOCAL",
   "FLAWLESS-EXECUTION",
   "FLU-GAME",