diff --git a/devel/py-immutables/Makefile b/devel/py-immutables/Makefile
index 931da45d0897..e7af368f5930 100644
--- a/devel/py-immutables/Makefile
+++ b/devel/py-immutables/Makefile
@@ -1,28 +1,28 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	immutables
 PORTVERSION=	0.16
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Immutable collections
 
 LICENSE=	APACHE20 MIT
 LICENSE_COMB=	multi
 LICENSE_FILE_APACHE20=	${WRKSRC}/LICENSE-APACHE
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 post-install:
-	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/immutables/_map*.so
+	${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name '*.so' -exec ${STRIP_CMD} {} +
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 30800
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}typing-extensions>=3.7.4.3:devel/py-typing-extensions@${PY_FLAVOR}
 .endif
 
 .include <bsd.port.post.mk>