diff --git a/config/discourse_defaults.conf b/config/discourse_defaults.conf
index b267161d3c6..6e3cf55ed07 100644
--- a/config/discourse_defaults.conf
+++ b/config/discourse_defaults.conf
@@ -151,7 +151,7 @@ connection_reaper_max_age = 600
 # set to relative URL (for subdirectory hosting)
 # IMPORTANT: path must not include a trailing /
 # EG: /forum
-relative_url_root = /forum
+relative_url_root =
 
 # increasing this number will increase redis memory use
 # this ensures backlog (ability of channels to catch up are capped)