Index: head/emulators/wine-devel/Makefile
===================================================================
--- head/emulators/wine-devel/Makefile
+++ head/emulators/wine-devel/Makefile
@@ -130,7 +130,7 @@
 
 # Include this only if it has not been already included by the
 # i386-wine-devel slave port.
-.ifndef PKGNAMEPREFIX
+.ifndef _POSTMKINCLUDED
 .include <bsd.port.pre.mk>
 .endif
 
@@ -185,6 +185,6 @@
 	  fi \
 	done
 
-.ifndef PKGNAMEPREFIX
+.ifndef _POSTMKINCLUDED
 .include <bsd.port.post.mk>
 .endif