diff --git a/science/gemmi/Makefile b/science/gemmi/Makefile
index 584b8a9b14fc..6a74bf21a478 100644
--- a/science/gemmi/Makefile
+++ b/science/gemmi/Makefile
@@ -1,24 +1,26 @@
 PORTNAME=	gemmi
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.5.7
-CATEGORIES=	science
+CATEGORIES=	science # chemistry
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Macromolecular crystallography library and utilities
 WWW=		https://gemmi.readthedocs.io/en/latest/
 
 LICENSE=	MPL20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		cmake:testing compiler:c++17-lang # tests don't run, see https://github.com/project-gemmi/gemmi/issues/231
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	project-gemmi
 
+CMAKE_TESTING_TARGET=	check
+
 OPTIONS_DEFINE=		FORTRAN
 
 FORTRAN_USES=		fortran
 FORTRAN_CMAKE_BOOL=	USE_FORTRAN
 FORTRAN_BROKEN=		project option doesn't do anything, see https://github.com/project-gemmi/gemmi/issues/232
 
 .include <bsd.port.mk>