diff --git a/dev-util/byacc/byacc-20180510.recipe b/dev-util/byacc/byacc-20180525.recipe
similarity index 75%
rename from dev-util/byacc/byacc-20180510.recipe
rename to dev-util/byacc/byacc-20180525.recipe
index 4ad009e19..e5ad0b730 100644
--- a/dev-util/byacc/byacc-20180510.recipe
+++ b/dev-util/byacc/byacc-20180525.recipe
@@ -2,12 +2,12 @@ SUMMARY="Berkeley implementation of Yacc"
 DESCRIPTION="Berkeley Yacc (byacc) is generally conceded to be the best yacc \
 variant available. In contrast to bison, it is written to avoid dependencies \
 upon a particular compiler."
-HOMEPAGE="http://invisible-island.net/byacc/byacc.html"
-COPYRIGHT="2002-2018 by Thomas E. Dickey"
+HOMEPAGE="https://invisible-island.net/byacc/byacc.html"
+COPYRIGHT="2002-2018 Thomas E. Dickey"
 LICENSE="Public Domain"
 REVISION="1"
 SOURCE_URI="https://invisible-mirror.net/archives/byacc/byacc-$portVersion.tgz"
-CHECKSUM_SHA256="d0940dbffbc7e9c9dd4985c25349c390beede84ae1d9fe86b71c0aa659a6d693"
+CHECKSUM_SHA256="129b8d8be35c2cecb89e4ef434dc512402c0243f485334c5733ddf1e267c2de6"
 
 ARCHITECTURES="x86_gcc2 x86 x86_64"
 
@@ -27,6 +27,9 @@ BUILD_PREREQUIRES="
 	cmd:gcc
 	cmd:ld
 	cmd:make
+	"
+
+TEST_REQUIRES="
 	cmd:cmp
 	"
 
@@ -40,3 +43,8 @@ INSTALL()
 {
 	make install
 }
+
+TEST()
+{
+	make check
+}