diff --git a/astro/py-astlib/Makefile b/astro/py-astlib/Makefile
index 5179f0913ae3..d02053803d5c 100644
--- a/astro/py-astlib/Makefile
+++ b/astro/py-astlib/Makefile
@@ -1,30 +1,30 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 
 PORTNAME=	astlib
 PORTVERSION=	0.11.7
 CATEGORIES=	astro python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	astLib-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Astronomy modules for Python
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}astropy>=1.1:astro/py-astropy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>=0.98:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpy>=0.1:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pillow>=0:graphics/py-pillow@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=0.7.0:science/py-scipy@${PY_FLAVOR}
 
 USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 PORTSCOUT=	skipv:0.15,0.17,0.17.1 # incorrect versioning upstream
 
 post-install:
-	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/PyWCSTools/*.so
+	${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name '*.so' -exec ${STRIP_CMD} {} +
 
 .include <bsd.port.mk>