diff --git a/data/geolocation-!cn b/data/geolocation-!cn
index b40fa370..915bf216 100644
--- a/data/geolocation-!cn
+++ b/data/geolocation-!cn
@@ -84,6 +84,7 @@ include:chinapower
 include:cnet
 include:code
 include:codecademy
+include:codeforces
 include:coursera
 include:edx
 include:egghead