diff --git a/Project.toml b/Project.toml
index 2200f279..098ca029 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ITensorNetworks"
 uuid = "2919e153-833c-4bdc-8836-1ea460a35fc7"
 authors = ["Matthew Fishman <mfishman@flatironinstitute.org>, Joseph Tindall <jtindall@flatironinstitute.org> and contributors"]
-version = "0.13.9"
+version = "0.13.10"
 
 [deps]
 AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
diff --git a/src/formnetworks/bilinearformnetwork.jl b/src/formnetworks/bilinearformnetwork.jl
index 3988dcbc..f0796937 100644
--- a/src/formnetworks/bilinearformnetwork.jl
+++ b/src/formnetworks/bilinearformnetwork.jl
@@ -1,4 +1,5 @@
 using ITensors: ITensor, Op, prime, sim
+using ITensors.NDTensors: denseblocks
 
 default_dual_site_index_map = prime
 default_dual_link_index_map = sim
@@ -54,7 +55,7 @@ end
 
 function itensor_identity_map(i_pairs::Vector)
   return prod(i_pairs; init=ITensor(one(Bool))) do i_pair
-    return delta(Bool, dag(first(i_pair)), last(i_pair))
+    return denseblocks(delta(last(i_pair), dag(first(i_pair))))
   end
 end