diff --git a/app/models/query.rb b/app/models/query.rb
old mode 100644
new mode 100755
index 4f18332..321821a
--- a/app/models/query.rb
+++ b/app/models/query.rb
@@ -984,7 +984,7 @@ class Query < ActiveRecord::Base
       "  SELECT customized_id FROM #{CustomValue.table_name}" +
       "  WHERE customized_type='#{target_class}' AND custom_field_id=#{chained_custom_field_id}" +
       "  AND #{sql_for_field(field, operator, value, CustomValue.table_name, 'value')}))"
-    
+
   end
 
   def sql_for_custom_field_attribute(field, operator, value, custom_field_id, attribute)
@@ -1048,7 +1048,7 @@ class Query < ActiveRecord::Base
       end
     when "!*"
       sql = "#{db_table}.#{db_field} IS NULL"
-      sql << " OR #{db_table}.#{db_field} = ''" if is_custom_filter
+      sql << " OR #{db_table}.#{db_field} = ''" if (is_custom_filter || [:text, :string].include?(type_for(field)))
     when "*"
       sql = "#{db_table}.#{db_field} IS NOT NULL"
       sql << " AND #{db_table}.#{db_field} <> ''" if is_custom_filter
diff --git a/test/unit/query_test.rb b/test/unit/query_test.rb
old mode 100644
new mode 100755
index 5a32839..7f2ef3d
--- a/test/unit/query_test.rb
+++ b/test/unit/query_test.rb
@@ -217,6 +217,18 @@ class QueryTest < ActiveSupport::TestCase
     assert issues.all? {|i| i.custom_field_value(2).blank?}
   end
 
+  def test_operator_none_for_text
+    query = IssueQuery.new(:name => '_')
+    query.add_filter('status_id', '*', [''])
+    query.add_filter('description', '!*', [''])
+    assert query.has_filter?('description')
+    issues = find_issues_with_query(query)
+
+    assert issues.any?
+    assert issues.all? {|i| i.description.blank?}
+    assert_equal [11, 12], issues.map(&:id).sort
+  end
+
   def test_operator_all
     query = IssueQuery.new(:project => Project.find(1), :name => '_')
     query.add_filter('fixed_version_id', '*', [''])