diff --git a/sysutils/passwordsafe/Makefile b/sysutils/passwordsafe/Makefile
index 31f3b93d3709..5e77d003a3c7 100644
--- a/sysutils/passwordsafe/Makefile
+++ b/sysutils/passwordsafe/Makefile
@@ -8,9 +8,6 @@ WWW=		https://pwsafe.org
 
 LICENSE=	ART20
 
-NOT_FOR_ARCHS=		aarch64 armv6 armv7
-NOT_FOR_ARCHS_REASON=	Cannot determine whether the target CPU is big or little endian - please fix PwsPlatform.h
-
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libuuid.so:misc/e2fsprogs-libuuid \
 		libxerces-c.so:textproc/xerces-c3 \
@@ -46,6 +43,14 @@ ALL_TARGET=	unicoderelease
 
 PORTSCOUT=	limit=^1\.
 
+.include <bsd.port.options.mk>
+
+.if ${ARCH} == powerpc || ${ARCH} == powerpc64
+CXXFLAGS+=	-DPWS_BIG_ENDIAN
+.else
+CXXFLAGS+=	-DPWS_LITTLE_ENDIAN
+.endif
+
 post-patch:
 .	for f in Makefile.freebsd help/Makefile.freebsd src/os/unix/Makefile \
 		src/os/unix/dir.cpp src/ui/wxWidgets/Makefile