diff --git a/Project.toml b/Project.toml
index a985a48..e1ffd97 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "InfiniteArrays"
 uuid = "4858937d-0d70-526a-a4dd-2d5cb5dd786c"
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 ArrayLayouts = "4c555306-a7a7-4459-81d9-ec55ddd5c99a"
@@ -14,7 +14,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 ArrayLayouts = "0.5"
 DSP = "0.6"
 FillArrays = "0.11"
-LazyArrays = "0.20"
+LazyArrays = "0.20.2"
 julia = "1.5"
 
 [extras]
diff --git a/src/InfiniteArrays.jl b/src/InfiniteArrays.jl
index 866d725..fccec7d 100644
--- a/src/InfiniteArrays.jl
+++ b/src/InfiniteArrays.jl
@@ -218,6 +218,15 @@ function searchsortedlast(v::AbstractVector, x, lo::Int, hi::Infinity, o::Orderi
    return lo
 end
 
+# special case for Vcat
+@inline function LazyArrays.searchsortedlast_recursive(::Infinity, x, a, args...)
+    n = sum(map(length,args))
+    r = searchsortedlast(a, x)
+    r > 0 && return n + r
+    return LazyArrays.searchsortedlast_recursive(n, x, args...)
+end
+
+
 ##
 # lazy sub_materialize
 ##
diff --git a/src/reshapedarray.jl b/src/reshapedarray.jl
index 3b4532f..29e4878 100644
--- a/src/reshapedarray.jl
+++ b/src/reshapedarray.jl
@@ -68,4 +68,11 @@ BroadcastStyle(::Type{<:ReshapedArray{T,2,<:Any,<:Tuple{<:Any,<:Infinity}}}) whe
 BroadcastStyle(::Type{<:ReshapedArray{T,2,<:Any,<:Tuple{<:Infinity,<:Any}}}) where {T} = LazyArrayStyle{2}()
 
 
-MemoryLayout(::Type{<:ReshapedArray{T,N,A,DIMS}}) where {T,N,A,DIMS} = reshapedlayout(MemoryLayout(A), DIMS)
\ No newline at end of file
+MemoryLayout(::Type{<:ReshapedArray{T,N,A,DIMS}}) where {T,N,A,DIMS} = reshapedlayout(MemoryLayout(A), DIMS)
+
+
+###
+# permutedims for reshaped unrolls
+###
+
+permutedims(R::ReshapedArray{<:Any,2,<:AbstractVector}) = parent(R)
\ No newline at end of file
diff --git a/test/runtests.jl b/test/runtests.jl
index 0f26b36..fab85bc 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -953,6 +953,7 @@ end
     @test permutedims(1:∞)[1,1:10] == (1:10)
     a = reshape(Vcat(Fill(1,1,∞),Fill(2,2,∞)),∞)
     @test a[1:7] == [1, 2, 2, 1, 2, 2, 1]
+    @test permutedims(permutedims(1:∞)) ≡ 1:∞
 end
 
 @testset "norm/dot" begin