diff --git a/Project.toml b/Project.toml
index 16779cf..31e0dbf 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "DerivableInterfaces"
 uuid = "6c5e35bf-e59e-4898-b73c-732dcc4ba65f"
 authors = ["ITensor developers <support@itensor.org> and contributors"]
-version = "0.3.9"
+version = "0.3.10"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
diff --git a/src/abstractarrayinterface.jl b/src/abstractarrayinterface.jl
index 6b23e4e..a855ae0 100644
--- a/src/abstractarrayinterface.jl
+++ b/src/abstractarrayinterface.jl
@@ -1,9 +1,8 @@
 # TODO: Add `ndims` type parameter.
 abstract type AbstractArrayInterface <: AbstractInterface end
 
-# TODO: Define as `DefaultArrayInterface()`.
 function interface(::Type{<:Broadcast.AbstractArrayStyle})
-  return error("Not defined.")
+  return DefaultArrayInterface()
 end
 
 function interface(::Type{<:Broadcast.Broadcasted{<:Style}}) where {Style}
diff --git a/test/basics/SparseArrayDOKs.jl b/test/SparseArrayDOKs.jl
similarity index 100%
rename from test/basics/SparseArrayDOKs.jl
rename to test/SparseArrayDOKs.jl
diff --git a/test/basics/test_basics.jl b/test/test_basics.jl
similarity index 100%
rename from test/basics/test_basics.jl
rename to test/test_basics.jl
diff --git a/test/basics/test_defaultarrayinterface.jl b/test/test_defaultarrayinterface.jl
similarity index 79%
rename from test/basics/test_defaultarrayinterface.jl
rename to test/test_defaultarrayinterface.jl
index b8bd493..36ed752 100644
--- a/test/basics/test_defaultarrayinterface.jl
+++ b/test/test_defaultarrayinterface.jl
@@ -1,5 +1,5 @@
-using Test: @testset, @test, @inferred
-using DerivableInterfaces: @interface, DefaultArrayInterface
+using Test: @inferred, @testset, @test
+using DerivableInterfaces: @interface, DefaultArrayInterface, interface
 
 # function wrappers to test type-stability
 _getindex(A, i...) = @interface DefaultArrayInterface() A[i...]
@@ -30,3 +30,7 @@ end
   a = @inferred _mapreduce(Returns(2), +, A)
   @test a == mapreduce(Returns(2), +, A)
 end
+
+@testset "Broadcast.DefaultArrayStyle" begin
+  @test interface(Broadcast.DefaultArrayStyle) == DefaultArrayInterface()
+end