diff --git a/lib/database_cleaner/sequel/base.rb b/lib/database_cleaner/sequel/base.rb
index 8cd5e30..77d03f1 100644
--- a/lib/database_cleaner/sequel/base.rb
+++ b/lib/database_cleaner/sequel/base.rb
@@ -15,7 +15,7 @@ module DatabaseCleaner
       def db
         return @db if @db && @db != :default
         raise "As you have more than one active sequel database you have to specify the one to use manually!" if ::Sequel::DATABASES.count > 1 
-        ::Sequel::DATABASES.first
+        ::Sequel::DATABASES.first || :default
       end
     end
   end
diff --git a/spec/database_cleaner/active_record/truncation_spec.rb b/spec/database_cleaner/active_record/truncation_spec.rb
index a529c7e..71c1587 100644
--- a/spec/database_cleaner/active_record/truncation_spec.rb
+++ b/spec/database_cleaner/active_record/truncation_spec.rb
@@ -31,19 +31,15 @@ module DatabaseCleaner
 
       it "should truncate all tables except for schema_migrations" do
         connection.stub!(:tables).and_return(%w[schema_migrations widgets dogs])
-
-        connection.should_receive(:truncate_table).with('widgets')
-        connection.should_receive(:truncate_table).with('dogs')
-        connection.should_not_receive(:truncate_table).with('schema_migrations')
-
+        
+        connection.should_receive(:truncate_tables).with(['widgets', 'dogs'])
         Truncation.new.clean
       end
 
       it "should only truncate the tables specified in the :only option when provided" do
         connection.stub!(:tables).and_return(%w[schema_migrations widgets dogs])
 
-        connection.should_receive(:truncate_table).with('widgets')
-        connection.should_not_receive(:truncate_table).with('dogs')
+        connection.should_receive(:truncate_tables).with(['widgets'])
 
         Truncation.new(:only => ['widgets']).clean
       end
@@ -51,8 +47,7 @@ module DatabaseCleaner
       it "should not truncate the tables specified in the :except option" do
         connection.stub!(:tables).and_return(%w[schema_migrations widgets dogs])
 
-        connection.should_receive(:truncate_table).with('dogs')
-        connection.should_not_receive(:truncate_table).with('widgets')
+        connection.should_receive(:truncate_tables).with(['dogs'])
 
         Truncation.new(:except => ['widgets']).clean
       end
@@ -71,8 +66,7 @@ module DatabaseCleaner
         connection.stub!(:tables).and_return(%w[widgets dogs])
         connection.stub!(:views).and_return(["widgets"])
 
-        connection.should_receive(:truncate_table).with('dogs')
-        connection.should_not_receive(:truncate_table).with('widgets')
+        connection.should_receive(:truncate_tables).with(['dogs'])
 
         Truncation.new.clean
       end
diff --git a/spec/database_cleaner/base_spec.rb b/spec/database_cleaner/base_spec.rb
index 3906723..58dd2a7 100644
--- a/spec/database_cleaner/base_spec.rb
+++ b/spec/database_cleaner/base_spec.rb
@@ -17,6 +17,7 @@ module DatabaseCleaner
          Temp_MM = ::MongoMapper  if defined?(::MongoMapper)  and not defined?(Temp_MM)
          Temp_MO = ::Mongoid      if defined?(::Mongoid)      and not defined?(Temp_MO)
          Temp_CP = ::CouchPotato  if defined?(::CouchPotato)  and not defined?(Temp_CP)
+         Temp_SQ = ::Sequel       if defined?(::Sequel)       and not defined?(Temp_SQ)
        end
 
        #Remove all ORM mocks and restore from cache
@@ -26,6 +27,7 @@ module DatabaseCleaner
          Object.send(:remove_const, 'MongoMapper')  if defined?(::MongoMapper)
          Object.send(:remove_const, 'Mongoid')      if defined?(::Mongoid)
          Object.send(:remove_const, 'CouchPotato')  if defined?(::CouchPotato)
+         Object.send(:remove_const, 'Sequel')       if defined?(::Sequel)
 
 
          # Restore ORMs
@@ -43,8 +45,9 @@ module DatabaseCleaner
          Object.send(:remove_const, 'MongoMapper')  if defined?(::MongoMapper)
          Object.send(:remove_const, 'Mongoid')      if defined?(::Mongoid)
          Object.send(:remove_const, 'CouchPotato')  if defined?(::CouchPotato)
+         Object.send(:remove_const, 'Sequel')       if defined?(::Sequel)
        end
-
+       
        let(:cleaner) { DatabaseCleaner::Base.new :autodetect }
 
        it "should raise an error when no ORM is detected" do
@@ -57,6 +60,7 @@ module DatabaseCleaner
          Object.const_set('MongoMapper', 'Mapping mock mongos')
          Object.const_set('Mongoid',     'Mongoid mock')
          Object.const_set('CouchPotato', 'Couching mock potatos')
+         Object.const_set('Sequel',      'Sequel mock')
 
          cleaner.orm.should == :active_record
          cleaner.should be_auto_detected
@@ -67,6 +71,7 @@ module DatabaseCleaner
          Object.const_set('MongoMapper', 'Mapping mock mongos')
          Object.const_set('Mongoid',     'Mongoid mock')
          Object.const_set('CouchPotato', 'Couching mock potatos')
+         Object.const_set('Sequel',      'Sequel mock')
 
          cleaner.orm.should == :data_mapper
          cleaner.should be_auto_detected
@@ -76,6 +81,7 @@ module DatabaseCleaner
          Object.const_set('MongoMapper', 'Mapping mock mongos')
          Object.const_set('Mongoid',     'Mongoid mock')
          Object.const_set('CouchPotato', 'Couching mock potatos')
+         Object.const_set('Sequel',      'Sequel mock')
 
          cleaner.orm.should == :mongo_mapper
          cleaner.should be_auto_detected
@@ -84,17 +90,26 @@ module DatabaseCleaner
        it "should detect Mongoid fourth" do
          Object.const_set('Mongoid',     'Mongoid mock')
          Object.const_set('CouchPotato', 'Couching mock potatos')
+         Object.const_set('Sequel',      'Sequel mock')
 
          cleaner.orm.should == :mongoid
          cleaner.should be_auto_detected
        end
 
-       it "should detect CouchPotato last" do
+       it "should detect CouchPotato fifth" do
          Object.const_set('CouchPotato', 'Couching mock potatos')
+         Object.const_set('Sequel',      'Sequel mock')
 
          cleaner.orm.should == :couch_potato
          cleaner.should be_auto_detected
        end
+       
+       it "should detect Sequel last" do
+         Object.const_set('Sequel', 'Sequel mock')
+
+         cleaner.orm.should == :sequel
+         cleaner.should be_auto_detected
+       end
     end
 
     describe "orm_module" do