diff --git a/lib/rolify/configure.rb b/lib/rolify/configure.rb
index 9647f9ca..0d714b21 100644
--- a/lib/rolify/configure.rb
+++ b/lib/rolify/configure.rb
@@ -45,7 +45,7 @@ def sanity_check(role_cnames)
       role_cnames = [ "Role" ] if role_cnames.empty?
       role_cnames.each do |role_cname|
         role_class = role_cname.constantize
-        if role_class.superclass.to_s == "ActiveRecord::Base" && !role_class.table_exists?
+        if role_class.connected? && role_class.superclass.to_s == "ActiveRecord::Base" && !role_class.table_exists?
           warn "[WARN] table '#{role_cname}' doesn't exist. Did you run the migration ? Ignoring rolify config."
           return false
         end
@@ -53,4 +53,4 @@ def sanity_check(role_cnames)
       true
     end
   end
-end
\ No newline at end of file
+end