diff --git a/source/.htaccess.erb b/source/.htaccess.erb
index ef48964..efffbe4 100644
--- a/source/.htaccess.erb
+++ b/source/.htaccess.erb
@@ -39,7 +39,7 @@ Header append Vary Accept
 Header set X-Frame-Options "DENY"
 Header set X-Content-Type-Options "nosniff"
 Header set X-XSS-Protection "1; mode=block"
-Header set Strict-Transport-Security "max-age=31536000; includeSubDomains"
+Header set Strict-Transport-Security "max-age=31536000"
 # Have some fun :)
 Header set Made-With-Love "In Berlin"