diff --git a/data/fields/activity.json b/data/fields/activity.json
index 95633d00..f090a107 100644
--- a/data/fields/activity.json
+++ b/data/fields/activity.json
@@ -14,7 +14,7 @@
             "bicycle": "Cycling",
             "mtb": "Mountain Biking",
             "horse": "Horseback Riding",
-            "Ski": "Skiing"
+            "ski": "Skiing"
         }
     }
 }