diff --git a/src/Nodes/IHACRES/IHACRESNode.jl b/src/Nodes/IHACRES/IHACRESNode.jl
index 5af421e..57dcc2a 100644
--- a/src/Nodes/IHACRES/IHACRESNode.jl
+++ b/src/Nodes/IHACRES/IHACRESNode.jl
@@ -74,7 +74,7 @@ function prep_state!(node::IHACRESNode, timesteps::Int64)::Nothing
 end
 
 
-function IHACRESBilinearNode(name::String, spec::Dict)
+function IHACRESBilinearNode(name::String, spec::Union{Dict,OrderedDict})
     n = create_node(IHACRESBilinearNode, name, spec["area"])
     node_params = copy(spec["parameters"])