diff --git a/feedgen/entry.py b/feedgen/entry.py
index 09ad9bd..6b7f4ac 100644
--- a/feedgen/entry.py
+++ b/feedgen/entry.py
@@ -504,8 +504,8 @@ class FeedEntry(object):
 			for cat in self.__atom_category:
 				rss_cat = {}
 				rss_cat['value'] = cat['label'] if cat.get('label') else cat['term']
-				if cat.get('schema'):
-					rss_cat['domain'] = cat['schema']
+				if cat.get('scheme'):
+					rss_cat['domain'] = cat['scheme']
 				self.__rss_category.append( rss_cat )
 		return self.__atom_category
 
diff --git a/feedgen/feed.py b/feedgen/feed.py
index bfe1717..88fa0fe 100644
--- a/feedgen/feed.py
+++ b/feedgen/feed.py
@@ -607,8 +607,8 @@ class FeedGenerator(object):
 			for cat in self.__atom_category:
 				rss_cat = {}
 				rss_cat['value'] = cat['label'] if cat.get('label') else cat['term']
-				if cat.get('schema'):
-					rss_cat['domain'] = cat['schema']
+				if cat.get('scheme'):
+					rss_cat['domain'] = cat['scheme']
 				self.__rss_category.append( rss_cat )
 		return self.__atom_category
 
diff --git a/feedgen/tests/test_entry.py b/feedgen/tests/test_entry.py
index 7b35d60..4fa768e 100644
--- a/feedgen/tests/test_entry.py
+++ b/feedgen/tests/test_entry.py
@@ -75,3 +75,20 @@ class TestSequenceFunctions(unittest.TestCase):
 		assert len(fg.entry()) == 1
 		fg.remove_entry(fe)
 		assert len(fg.entry()) == 0
+
+	def test_categoryHasDomain(self):
+		fg = FeedGenerator()
+		fg.title('some title')
+		fg.link( href='http://www.dontcare.com', rel='alternate' )
+		fg.description('description')
+		fe = fg.add_entry()
+		fe.id('http://lernfunk.de/media/654321/1')
+		fe.title('some title')
+		fe.category([
+			 {'term' : 'category',
+			  'scheme': 'http://www.somedomain.com/category',
+			  'label' : 'Category',
+			  }])
+
+		result = fg.rss_str()
+		assert 'domain="http://www.somedomain.com/category"' in result