diff --git a/src/beliefpropagation/beliefpropagation_schedule.jl b/src/beliefpropagation/beliefpropagation_schedule.jl
index 4f476c93..e22e8bfe 100644
--- a/src/beliefpropagation/beliefpropagation_schedule.jl
+++ b/src/beliefpropagation/beliefpropagation_schedule.jl
@@ -1,6 +1,6 @@
 default_edge_sequence_alg() = "forest_cover"
 
-@traitfn default_bp_niters(g::NamedGraph::(!IsDirected)) = is_tree(g) ? 1 : nothing
+@traitfn default_bp_niters(g::::(!IsDirected)) = is_tree(g) ? 1 : nothing
 function default_bp_niters(g::AbstractGraph)
   return default_bp_niters(undirected_graph(underlying_graph(g)))
 end