diff --git a/lib/kaminari/models/mongoid_criteria_methods.rb b/lib/kaminari/models/mongoid_criteria_methods.rb
index 5fc4f64..1310ea5 100644
--- a/lib/kaminari/models/mongoid_criteria_methods.rb
+++ b/lib/kaminari/models/mongoid_criteria_methods.rb
@@ -9,7 +9,17 @@ module Kaminari
     end
 
     def total_count #:nodoc:
-      embedded? ? unpage.length : length
+      @total_count ||=
+        if embedded?
+          unpage.count
+        else
+          counter_result = count
+          if options[:max_scan] and options[:max_scan] < counter_result
+            options[:max_scan]
+          else
+            counter_result
+          end
+        end
     end
 
     private
diff --git a/spec/models/mongoid/mongoid_spec.rb b/spec/models/mongoid/mongoid_spec.rb
index 1b6af0b..e7e311b 100644
--- a/spec/models/mongoid/mongoid_spec.rb
+++ b/spec/models/mongoid/mongoid_spec.rb
@@ -8,6 +8,60 @@ if defined? Mongoid
       end
     end
 
+    describe 'max_scan', :if => Mongoid::VERSION >= '3' do
+      context 'less than total' do
+        context 'page 1' do
+          subject { User.max_scan(20).page 1 }
+          it { should be_a Mongoid::Criteria }
+          its(:current_page) { should == 1   }
+          its(:prev_page)    { should be_nil }
+          its(:next_page)    { should be_nil }
+          its(:limit_value)  { should == 25  }
+          its(:total_pages)  { should == 1   }
+          its(:total_count)  { should == 20  }
+          it { should skip(0) }
+        end
+
+        context 'page 2' do
+          subject { User.max_scan(30).page 2 }
+          it { should be_a Mongoid::Criteria }
+          its(:current_page) { should == 2   }
+          its(:prev_page)    { should == 1   }
+          its(:next_page)    { should be_nil }
+          its(:limit_value)  { should == 25  }
+          its(:total_pages)  { should == 2   }
+          its(:total_count)  { should == 30  }
+          it { should skip 25 }
+        end
+      end
+
+      context 'more than total' do
+        context 'page 1' do
+          subject { User.max_scan(60).page 1 }
+          it { should be_a Mongoid::Criteria }
+          its(:current_page) { should == 1   }
+          its(:prev_page)    { should be_nil }
+          its(:next_page)    { should == 2   }
+          its(:limit_value)  { should == 25  }
+          its(:total_pages)  { should == 2   }
+          its(:total_count)  { should == 41  }
+          it { should skip(0) }
+        end
+
+        context 'page 2' do
+          subject { User.max_scan(60).page 2 }
+          it { should be_a Mongoid::Criteria }
+          its(:current_page) { should == 2   }
+          its(:prev_page) { should == 1      }
+          its(:next_page) { should be_nil    }
+          its(:limit_value) { should == 25   }
+          its(:total_pages) { should == 2    }
+          its(:total_count)  { should == 41  }
+          it { should skip 25 }
+        end
+      end
+    end
+
     describe '#page' do
 
       context 'page 1' do