diff --git a/config/initializers/01_constants.rb b/config/initializers/01_constants.rb
index 7f51ffca..30584e9d 100644
--- a/config/initializers/01_constants.rb
+++ b/config/initializers/01_constants.rb
@@ -4,7 +4,7 @@ SELF_HOSTED = ENV.fetch('SELF_HOSTED', 'true') == 'true'
 
 MIN_MINUTES_SPENT_IN_CITY = ENV.fetch('MIN_MINUTES_SPENT_IN_CITY', 60).to_i
 
-::DISTANCE_UNITS = {
+DISTANCE_UNITS = {
   km: 1000, # to meters
   mi: 1609.34, # to meters
   m: 1, # already in meters