diff --git a/Makefile b/Makefile
index fbfa41a..528fc52 100644
--- a/Makefile
+++ b/Makefile
@@ -37,6 +37,8 @@ USES=		compiler:c++11-lang gmake iconv jpeg localbase pkgconfig ssl tar:xz
 CFLAGS+=	-fPIC
 CONFIGURE_ARGS=	--datadir=${PREFIX}/share \
 		--enable-static=yes \
+		--with-crypto=yes \
+		--without-exr \
 		--with-geotiff=yes \
 		--with-gif=yes \
 		--with-gnm=yes \
@@ -44,7 +46,7 @@ CONFIGURE_ARGS=	--datadir=${PREFIX}/share \
 		--with-libjson-c=yes \
 		--with-liblzma=yes \
 		--with-libtiff=yes \
-		--with-libz=/usr \
+		--with-libz=external \
 		--with-png=yes \
 		--with-proj=yes \
 		--with-threads=yes \