diff --git a/math/py-h5py/Makefile b/math/py-h5py/Makefile
index d8a38fa152e..fd4233be08e 100644
--- a/math/py-h5py/Makefile
+++ b/math/py-h5py/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.1.1.1 2020/03/04 07:54:18 martin Exp $
+# $OpenBSD: Makefile,v 1.2 2020/03/09 18:39:09 martin Exp $
 
 COMMENT =	pythonic interface to the HDF5 binary data format
 
@@ -6,6 +6,7 @@ MODPY_EGG_VERSION =	2.10.0
 DISTNAME =		h5py-${MODPY_EGG_VERSION}
 PKGNAME =		py-${DISTNAME}
 CATEGORIES =		math
+REVISION =		0
 
 HOMEPAGE =		https://www.h5py.org/
 MAINTAINER =		Martin Reindl <martin@catai.org>
@@ -13,6 +14,9 @@ MAINTAINER =		Martin Reindl <martin@catai.org>
 # BSD
 PERMIT_PACKAGE =	Yes
 
+COMPILER =		base-clang ports-gcc
+COMPILER_LANGS =	c
+
 MODULES =		lang/python
 MODPY_SETUPTOOLS =	Yes
 MODPY_PI =		Yes