diff --git a/bittide-instances/src/Bittide/Instances/Hitl/HwCcTopologies.hs b/bittide-instances/src/Bittide/Instances/Hitl/HwCcTopologies.hs
index 023a048e1..4260fb067 100644
--- a/bittide-instances/src/Bittide/Instances/Hitl/HwCcTopologies.hs
+++ b/bittide-instances/src/Bittide/Instances/Hitl/HwCcTopologies.hs
@@ -779,6 +779,7 @@ tests =
   Map.fromList
     [ tt Nothing (repeat 0) (complete d8)
     , tt Nothing (repeat 0) (hourglass d4)
+    , tt Nothing (repeat 0) (hypercube d3)
     ]
  where
   ClockControlConfig{..} = clockControlConfig