Index: change.h
===================================================================
--- change.h	(revision 11677)
+++ change.h	(revision 11678)
@@ -62,7 +62,7 @@
 	(PCB_TYPE_ELEMENT | PCB_TYPE_SUBC | PCB_TYPE_PIN | PCB_TYPE_VIA | PCB_TYPE_SUBC_PART)
 
 #define PCB_CHANGEJOIN_TYPES	\
-	(PCB_TYPE_ARC | PCB_TYPE_LINE | PCB_TYPE_TEXT)
+	(PCB_TYPE_ARC | PCB_TYPE_LINE | PCB_TYPE_TEXT | PCB_TYPE_POLYGON)
 
 #define PCB_CHANGETHERMAL_TYPES	\
 	(PCB_TYPE_PIN | PCB_TYPE_VIA | PCB_TYPE_SUBC_PART)