diff --git a/lib/onelogin/ruby-saml/logoutresponse.rb b/lib/onelogin/ruby-saml/logoutresponse.rb
index a9a39d140..db5bdbb6f 100644
--- a/lib/onelogin/ruby-saml/logoutresponse.rb
+++ b/lib/onelogin/ruby-saml/logoutresponse.rb
@@ -105,7 +105,7 @@ def valid_saml?(soft = true)
         if soft
           @schema.validate(@xml).map{ return false }
         else
-          @schema.validate(@xml).map{ |error| raise(Exception.new("#{error.message}\n\n#{@xml.to_s}")) }
+          @schema.validate(@xml).map{ |error| raise(StandardError.new("#{error.message}\n\n#{@xml.to_s}")) }
         end
       end
 
@@ -151,4 +151,4 @@ def validation_error(message)
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/onelogin/ruby-saml/validation_error.rb b/lib/onelogin/ruby-saml/validation_error.rb
index fd716964c..5bd839d80 100644
--- a/lib/onelogin/ruby-saml/validation_error.rb
+++ b/lib/onelogin/ruby-saml/validation_error.rb
@@ -1,6 +1,6 @@
 module Onelogin
   module Saml
-    class ValidationError < Exception
+    class ValidationError < StandardError
     end
   end
 end
diff --git a/test/logoutresponse_test.rb b/test/logoutresponse_test.rb
index d3616a252..46bb44a4f 100644
--- a/test/logoutresponse_test.rb
+++ b/test/logoutresponse_test.rb
@@ -102,7 +102,7 @@ class RubySamlTest < Test::Unit::TestCase
       should "raise error for invalid xml" do
         logoutresponse = Onelogin::Saml::Logoutresponse.new(invalid_xml_response, settings)
 
-        assert_raises(Exception) { logoutresponse.validate! }
+        assert_raises(StandardError) { logoutresponse.validate! }
       end
     end