diff --git a/dev-libs/aws-c-event-stream/aws-c-event-stream-0.5.7.ebuild b/dev-libs/aws-c-event-stream/aws-c-event-stream-0.5.7.ebuild
index b9ad9c46f5aed..4d283ba707c06 100644
--- a/dev-libs/aws-c-event-stream/aws-c-event-stream-0.5.7.ebuild
+++ b/dev-libs/aws-c-event-stream/aws-c-event-stream-0.5.7.ebuild
@@ -12,9 +12,23 @@ inherit cmake
 LICENSE="Apache-2.0"
 SLOT="0/1"
 KEYWORDS="~amd64"
+IUSE="test"
+
+RESTRICT="!test? ( test )"
 
 DEPEND="dev-libs/aws-c-common
 dev-libs/aws-c-io
 dev-libs/aws-checksums"
 RDEPEND="${DEPEND}"
 BDEPEND="dev-libs/aws-c-common"
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_TESTING=$(usex test)
+	)
+	use test && mycmakeargs+=(
+		-DENABLE_NET_TESTS=OFF # Network Sandbox cause these to fail.
+	)
+
+	cmake_src_configure
+}