diff --git a/games-engines/box2d/box2d-2.4.1.ebuild b/games-engines/box2d/box2d-2.4.1.ebuild
index bbb16ef9e92ce..0fe84b500b231 100644
--- a/games-engines/box2d/box2d-2.4.1.ebuild
+++ b/games-engines/box2d/box2d-2.4.1.ebuild
@@ -25,3 +25,7 @@ src_configure() {
 	)
 	cmake_src_configure
 }
+
+src_test() {
+	"${BUILD_DIR}"/bin/unit_test || die
+}