diff --git a/lib/simple_captcha/simple_captcha_data.rb b/lib/simple_captcha/simple_captcha_data.rb
index 7586c1d..374e698 100644
--- a/lib/simple_captcha/simple_captcha_data.rb
+++ b/lib/simple_captcha/simple_captcha_data.rb
@@ -1,6 +1,16 @@
 module SimpleCaptcha
   class SimpleCaptchaData < ::ActiveRecord::Base
-    set_table_name "simple_captcha_data"
+    def self.rails3?
+      ::ActiveRecord::VERSION::MAJOR == 3
+    end
+
+    if rails3?
+      # Fixes deprecation warning in Rails 3.2:
+      # DEPRECATION WARNING: Calling set_table_name is deprecated. Please use `self.table_name = 'the_name'` instead.
+      self.table_name = "simple_captcha_data"
+    else
+      set_table_name "simple_captcha_data"
+    end
     
     attr_accessible :key, :value