diff --git a/devel/oclgrind/Makefile b/devel/oclgrind/Makefile
index 7acaf2ec4748..26199bdbc7b0 100644
--- a/devel/oclgrind/Makefile
+++ b/devel/oclgrind/Makefile
@@ -1,34 +1,35 @@
 # Created by: Johannes Dieterich <jmd@freebsd.org>
 
 PORTNAME=	oclgrind
 PORTVERSION=	21.10
 DISTVERSIONPREFIX=	v
 PORTREVISION=	0
+PORTEPOCH=	1
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
 COMMENT=	SPIR interpreter and virtual OpenCL device simulator
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LLVM_VER=	12
 BUILD_DEPENDS=	opencl>=0:devel/opencl \
 		llvm-config${LLVM_VER}:devel/llvm${LLVM_VER}
 LIB_DEPENDS=	libOpenCL.so:devel/ocl-icd
 RUN_DEPENDS=	opencl>=0:devel/opencl \
 		llvm${LLVM_VER}>=0:devel/llvm${LLVM_VER}
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	jrprice
 GH_PROJECT=	Oclgrind
 USE_LDCONFIG=	yes
 
 CC=		clang${LLVM_VER}
 CXX=		clang++${LLVM_VER}
 CPP=		clang-cpp${LLVM_VER}
 
 CMAKE_ARGS+=	-DLLVM_DIR=${LOCALBASE}/llvm${LLVM_VER}/lib/cmake/llvm/
 
 .include <bsd.port.mk>