diff --git a/databases/galera26/Makefile b/databases/galera26/Makefile
index 037efa54b25b..5d6a9c489234 100644
--- a/databases/galera26/Makefile
+++ b/databases/galera26/Makefile
@@ -1,49 +1,50 @@
 # Created by: Nicolas Embriz <nbari@tequila.io>
 
 PORTNAME=	galera
 PORTVERSION=	26.4.8
 DISTVERSIONPREFIX=	release_
 PORTREVISION=	1
 CATEGORIES=	databases
 PKGNAMESUFFIX=	26
 
 MAINTAINER=	devel@galeracluster.com
 COMMENT=	Synchronous multi-master replication engine
 
 LICENSE=	GPLv2
 
-NOT_FOR_ARCHS=		i386
-# On i386 older versions of clang produce:
+NOT_FOR_ARCHS=		i386 powerpc
+# On i386 or powerpc older versions of clang produce:
 #   cannot compile this atomic library call yet ... __atomic_add_fetch
 # whereas newer ones generate a call to __atomic_add_fetch which ends up with
 # undefined reference at link time:
 #   undefined reference to `__atomic_fetch_add_8'
 # https://bugs.llvm.org//show_bug.cgi?id=23262
 # https://bugs.llvm.org//show_bug.cgi?id=24908
 # https://tracker.crystax.net/issues/1263
 NOT_FOR_ARCHS_REASON_i386=Uses 64 bit atomics that clang cannot generate on i386
+NOT_FOR_ARCHS_REASON_powerpc=Uses 64 bit atomics that clang cannot generate on powerpc
 
 BUILD_DEPENDS=	checkmk:devel/check \
 		${LOCALBASE}/include/boost/shared_ptr.hpp:devel/boost-libs \
 		objdump:devel/binutils
 LIB_DEPENDS=	libboost_date_time.so:devel/boost-libs
 
 USES=		compiler:c++11-lang python:build cmake ssl
 
 USE_GITHUB=	yes
 GH_TUPLE?=	codership:galera:${DISTVERSIONPREFIX}${PORTVERSION}${DISTVERSIONSUFFIX} \
 		codership:wsrep-API:76cf223c690845bbf561cb820a46e06a18ad80d1:dummy/wsrep/src
 
 CMAKE_ARGS+=	-DGALERA_REVISION=${GH_TAGNAME}
 
 USE_LDCONFIG=	yes
 USE_RC_SUBR=	garb.sh
 
 PLIST_FILES=	bin/garbd \
 		lib/libgalera.so \
 		lib/libgalera_smm.so
 
 post-install:
 	${RLN} ${STAGEDIR}/${PREFIX}/lib/libgalera_smm.so ${STAGEDIR}/${PREFIX}/lib/libgalera.so
 
 .include <bsd.port.mk>