diff --git a/ouroboros-network-framework/src/Ouroboros/Network/Mux.hs b/ouroboros-network-framework/src/Ouroboros/Network/Mux.hs
index b40193a9703..afca1e26ed7 100644
--- a/ouroboros-network-framework/src/Ouroboros/Network/Mux.hs
+++ b/ouroboros-network-framework/src/Ouroboros/Network/Mux.hs
@@ -97,6 +97,7 @@ data RunMiniProtocol (mode :: MuxMode) bytes m a b where
        -> MuxPeer bytes m b
        -> RunMiniProtocol InitiatorResponderMode bytes m a b
 
+
 data MuxPeer bytes m a where
     MuxPeer :: forall (pr :: PeerRole) ps (st :: ps) failure bytes m a.
                ( Typeable ps