diff --git a/lib/imgix/client.rb b/lib/imgix/client.rb
index 28fe8cb..8dabcb9 100644
--- a/lib/imgix/client.rb
+++ b/lib/imgix/client.rb
@@ -23,6 +23,8 @@ def initialize(options = {})
         @host = host
       elsif domain
         @host = domain
+      else
+        @host = host
       end
 
       validate_host!