diff --git a/lib/scopes_extractor/api.rb b/lib/scopes_extractor/api.rb
index 6df5205..c2f9621 100644
--- a/lib/scopes_extractor/api.rb
+++ b/lib/scopes_extractor/api.rb
@@ -39,7 +39,7 @@ class API < Sinatra::Base
       end
 
       # Ensure database is connected
-      unless Database.instance_variable_get(:@db)
+      unless ScopesExtractor.db
         Database.connect
         Database.migrate
         Database.cleanup_old_history