diff --git a/sci-libs/h5hut/h5hut-1.99.13-r1.ebuild b/sci-libs/h5hut/h5hut-1.99.13-r1.ebuild
index ff0a0934acebe..8401f6468846c 100644
--- a/sci-libs/h5hut/h5hut-1.99.13-r1.ebuild
+++ b/sci-libs/h5hut/h5hut-1.99.13-r1.ebuild
@@ -15,6 +15,8 @@ SLOT="0"
 KEYWORDS="~amd64 ~x86"
 IUSE=""
 
+# < dep on hdf5 because of bug #809221
+# Needs a proper fix.
 DEPEND="
 	virtual/mpi
 	<sci-libs/hdf5-1.12[mpi]