diff --git a/geocoder/admin0/data/wikipedia_iso_3166_2.csv b/geocoder/admin0/data/wikipedia_iso_3166_2.csv
index aa439a0..03d8013 100644
--- a/geocoder/admin0/data/wikipedia_iso_3166_2.csv
+++ b/geocoder/admin0/data/wikipedia_iso_3166_2.csv
@@ -171,7 +171,7 @@ SDN,SD,Sudan
 SDS,SS,South Sudan
 SLE,SL,Sierra Leone
 SMR,SM,San Marino
-TD,TD,Chad
+TCD,TD,Chad
 SWE,SE,Sweden
 SOM,SO,Somalia
 SXM,SX,Sint Maarten (Dutch part)