Index: head/devel/powerpc64-gcc/Makefile
===================================================================
--- head/devel/powerpc64-gcc/Makefile
+++ head/devel/powerpc64-gcc/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	gcc
 PORTVERSION=	6.4.0
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	devel
 MASTER_SITES=	GCC/releases/gcc-${DISTVERSION}
 PKGNAMEPREFIX?=	powerpc64-
@@ -25,7 +25,7 @@
 		GCC_TARGET=${GCC_TARGET} \
 		GCC_VERSION=${PORTVERSION}
 
-TARGETARCH=	${PKGNAMEPREFIX:C/-//g:S/amd64/x86_64/}
+TARGETARCH=	${PKGNAMEPREFIX:C/-//g}
 
 .if empty(GCC_TARGET)
 # We are building for a FreeBSD target