diff --git a/archivers/pecl-zstd/Makefile b/archivers/pecl-zstd/Makefile
index 055445f91d60..33c5604734e7 100644
--- a/archivers/pecl-zstd/Makefile
+++ b/archivers/pecl-zstd/Makefile
@@ -1,23 +1,29 @@
 PORTNAME=	zstd
 PORTVERSION=	0.14.0
 CATEGORIES=	archivers
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Compression and decompression with Zstandard library
 WWW=		https://pecl.php.net/package/zstd \
 		https://github.com/kjdev/php-ext-zstd
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libzstd.so:archivers/zstd
 
 USES=		php:pecl pkgconfig
 
 CONFIGURE_ARGS=	--with-libzstd
 
+.include <bsd.port.pre.mk>
+
 post-patch:
+.if ${PHP_VER} >= 85
+	${REINPLACE_CMD} -e 's|ext/standard/php_smart_string|Zend/zend_smart_string|' \
+		${WRKSRC}/zstd.c
+.endif
 # Clean up bundled libraries
 	@${RM} -r ${WRKSRC}/zstd/
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>