diff --git a/devel/pecl-eio/Makefile b/devel/pecl-eio/Makefile
index 4688446e3fec..bb062c2b1a52 100644
--- a/devel/pecl-eio/Makefile
+++ b/devel/pecl-eio/Makefile
@@ -1,18 +1,24 @@
 PORTNAME=	eio
 DISTVERSION=	3.0.0RC4
 CATEGORIES=	devel
 
 PATCH_SITES=	https://github.com/rosmanov/pecl-eio/commit/
 PATCHFILES=	dd8ef9359ea01bcd84b7b13d7ef1ef3b047a099a.patch:-p1
 
 MAINTAINER=	gasol.wu@gmail.com
 COMMENT=	Provides interface to the libeio library
 WWW=		https://pecl.php.net/package/eio
 
 LICENSE=	PHP301
 
 USES=		php:pecl
 
 CONFIGURE_ARGS=	--enable-eio
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${OPSYS} == FreeBSD
+CFLAGS+=	-Wno-error=int-conversion
+.endif
+
+.include <bsd.port.post.mk>