diff --git a/src/caches/beliefpropagationcache.jl b/src/caches/beliefpropagationcache.jl
index 378fd004..bd1f0665 100644
--- a/src/caches/beliefpropagationcache.jl
+++ b/src/caches/beliefpropagationcache.jl
@@ -17,7 +17,7 @@ using NDTensors: NDTensors
 default_message(elt, inds_e) = ITensor[denseblocks(delta(elt, i)) for i in inds_e]
 default_messages(ptn::PartitionedGraph) = Dictionary()
 default_message_norm(m::ITensor) = norm(m)
-function default_message_update(contract_list::Vector{ITensor}; normalize = true, kwargs...)
+function default_message_update(contract_list::Vector{ITensor}; normalize=true, kwargs...)
   sequence = optimal_contraction_sequence(contract_list)
   updated_messages = contract(contract_list; sequence, kwargs...)
   if normalize && !iszero(norm(updated_messages))