diff --git a/biology/gcta/Makefile b/biology/gcta/Makefile
index 5599f5c22fee..c9aef3210017 100644
--- a/biology/gcta/Makefile
+++ b/biology/gcta/Makefile
@@ -1,40 +1,51 @@
 PORTNAME=	gcta
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.94.1
 CATEGORIES=	biology
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Genome-wide Complex Trait Analysis
 WWW=		https://cnsgenomics.com/software/gcta/index.html
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	boost-libs>0:devel/boost-libs \
 		spectra>0:math/spectra
 LIB_DEPENDS=	libgsl.so:math/gsl \
 		libopenblas.so:math/openblas \
 		libsqlite3.so:databases/sqlite3 \
 		libzstd.so:archivers/zstd
 
 USES=		cmake eigen:3 localbase:ldflags
 USE_GITHUB=	yes
 
 GH_ACCOUNT=	jianyangqt
 GH_TUPLE=	zhilizheng:plink-ng:3744540:plink/submods/plink-ng
 
 CONFIGURE_ENV+=	EIGEN3_INCLUDE_DIR=${LOCALBASE}/include/eigen3 \
 		BOOST_INCLUDE_DIR=${LOCALBASE}/include/boost \
 		OPENBLAS=${LOCALBASE} \
 		SPECTRA_INCLUDE_DIR=${LOCALBASE}/include/Spectra
 
 LDFLAGS+=	-fopenmp
 
 PLIST_FILES=	bin/gcta64 bin/gcta
 
+.include <bsd.port.pre.mk>
+
+# Temporary hack for clang build errors:
+# /usr/ports/biology/gcta/work/gcta-1.94.1/submods/plink-ng/2.0/plink2_base.h:1008:23: error: argument to '__builtin_neon_vshrq_n_v' must be a constant integer
+# return R_CAST(VecW, _mm_srli_epi64(R_CAST(__m128i, vv), ct));
+# /usr/lib/clang/14.0.5/include/arm_neon.h:25260:24: note: expanded from macro 'vshrq_n_u64'
+# __ret = (uint64x2_t) __builtin_neon_vshrq_n_v((int8x16_t)__s0, __p1, 51);
+.if ${ARCH} == aarch64
+USE_GCC=	yes
+.endif
+
 do-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/gcta64 ${STAGEDIR}${PREFIX}/bin
 	${RLN} ${STAGEDIR}${PREFIX}/bin/gcta64 ${STAGEDIR}${PREFIX}/bin/gcta
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>