diff --git a/devel/py-babel/Makefile b/devel/py-babel/Makefile
index 72c7e97bd1ce..43d627bf1453 100644
--- a/devel/py-babel/Makefile
+++ b/devel/py-babel/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.23 2018/01/18 12:41:41 adam Exp $
+# $NetBSD: Makefile,v 1.24 2018/04/04 11:00:56 fhajny Exp $
 
 DISTNAME=	Babel-2.5.3
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME:tl}
@@ -14,6 +14,9 @@ DEPENDS+=	${PYPKGPREFIX}-pytz-[0-9]*:../../time/py-pytz
 
 USE_LANGUAGES=	# none
 
+post-extract:
+	cd ${WRKSRC} && ${FIND} * -exec ${CHMOD} g-w,o-w \{} \;
+
 post-install:
 	cd ${DESTDIR}${PREFIX}/bin && ${MV} pybabel pybabel-${PYVERSSUFFIX} || ${TRUE}