diff --git a/biology/fasttree/Makefile b/biology/fasttree/Makefile
index 5df2af1cf9a1..c47e9dabb557 100644
--- a/biology/fasttree/Makefile
+++ b/biology/fasttree/Makefile
@@ -1,28 +1,24 @@
 PORTNAME=	FastTree
 DISTVERSION=	2.1.10
 PORTREVISION=	5
 CATEGORIES=	biology
 MASTER_SITES=	http://www.microbesonline.org/fasttree/
 EXTRACT_SUFX=	.c
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Approximately-maximum-likelihood phylogenetic trees from alignments
 
 LICENSE=	GPLv2+
 
-BROKEN_armv6=		fails to compile: FastTree-2.1.10.c:305:10: 'omp.h' file not found
-
 NO_WRKSUBDIR=	yes
 PLIST_FILES=	bin/FastTree
 
-.include <bsd.port.options.mk>
-
-.if ${ARCH} == armv7 || ${ARCH} == powerpc
+.if !exists(/usr/include/omp.h)
 USES=		compiler:gcc-c++11-lib
 .endif
 
 do-extract:
 	@${CP} ${DISTDIR}/${DISTFILES} ${WRKSRC}
 	@${CP} ${FILESDIR}/Makefile ${WRKSRC}
 
 .include <bsd.port.mk>