Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 14998)
+++ trunk/data/validator/combinations.mapcss	(revision 15004)
@@ -267,5 +267,6 @@
 }
 
-/* {0.key} together with {1.key}, #17604 */
+/* {0.key} together with {1.key}, #17630, #17604 */
+*[building:part][building],
 *[addr:street][addr:place] {
   throwWarning: tr("{0} together with {1}", "{0.key}", "{1.key}");