diff --git a/app/models/query.rb b/app/models/query.rb
index 42309e01a..cd3a10f0a 100644
--- a/app/models/query.rb
+++ b/app/models/query.rb
@@ -302,7 +302,12 @@ class Query < ActiveRecord::Base
       end
       add_custom_fields_filters(IssueCustomField.find(:all, :conditions => {:is_filter => true, :is_for_all => true}))
     end
-    
+
+    if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||
+      User.current.allowed_to?(:set_own_issues_private, nil, :global => true)
+      @available_filters["is_private"] = { :type => :list, :order => 15, :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]] }
+    end
+
     Tracker.disabled_core_fields(trackers).each {|field|
       @available_filters.delete field
     }
@@ -704,6 +709,13 @@ class Query < ActiveRecord::Base
     end
   end
 
+  def sql_for_is_private_field(field, operator, value)
+    op = (operator == "=" ? 'IN' : 'NOT IN')
+    va = value.map {|v| v == '0' ? connection.quoted_false : connection.quoted_true}.uniq.join(',')
+
+    "#{Issue.table_name}.is_private #{op} (#{va})"
+  end
+
   private
 
   def sql_for_custom_field(field, operator, value, custom_field_id)
diff --git a/test/unit/query_test.rb b/test/unit/query_test.rb
index 61f7a4b01..522d8d0a3 100644
--- a/test/unit/query_test.rb
+++ b/test/unit/query_test.rb
@@ -258,6 +258,36 @@ class QueryTest < ActiveSupport::TestCase
     assert issues.map(&:id).include?(3)
   end
 
+  def test_operator_is_on_is_private_field
+    # is_private filter only available for those who can set issues private
+    User.current = User.find(2)
+
+    query = Query.new(:name => '_')
+    assert query.available_filters.key?('is_private')
+
+    query.add_filter("is_private", '=', ['1'])
+    issues = find_issues_with_query(query)
+    assert issues.any?
+    assert_nil issues.detect {|issue| !issue.is_private?}
+  ensure
+    User.current = nil
+  end
+
+  def test_operator_is_not_on_is_private_field
+    # is_private filter only available for those who can set issues private
+    User.current = User.find(2)
+
+    query = Query.new(:name => '_')
+    assert query.available_filters.key?('is_private')
+
+    query.add_filter("is_private", '!', ['1'])
+    issues = find_issues_with_query(query)
+    assert issues.any?
+    assert_nil issues.detect {|issue| issue.is_private?}
+  ensure
+    User.current = nil
+  end
+
   def test_operator_greater_than
     query = Query.new(:project => Project.find(1), :name => '_')
     query.add_filter('done_ratio', '>=', ['40'])