diff --git a/devel/icu/Makefile b/devel/icu/Makefile
index e3b4960e7d7a..911f9bce54cf 100644
--- a/devel/icu/Makefile
+++ b/devel/icu/Makefile
@@ -35,7 +35,7 @@ WRKSRC=		${WRKDIR}/icu/source
 ICUMAJOR=	${PORTVERSION:C/\..*//}
 PLIST_SUB+=	ICUMAJOR=${ICUMAJOR} ICUVER=${PORTVERSION:C/r.?/1/}
 
-.if !defined(PKGNAMESUFFIX)
+.ifndef PKGNAMESUFFIX
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/g* \
 		${STAGEDIR}${PREFIX}/bin/*conv \
@@ -47,6 +47,6 @@ post-install:
 # Filename varies by endianness: icudt<major>b.dat vs. icudt<major>l.dat
 	@(cd ${STAGEDIR}${PREFIX} && ${ECHO_CMD} \
 		${DATADIR_REL}/${PORTVERSION:C/r.?/1/}/icudt*.dat >>${TMPPLIST})
-.endif # !defined(PKGNAMESUFFIX)
+.endif # PKGNAMESUFFIX
 
 .include <bsd.port.mk>