diff --git a/Project.toml b/Project.toml
index f5e748d..79dc748 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "InfiniteArrays"
 uuid = "4858937d-0d70-526a-a4dd-2d5cb5dd786c"
-version = "0.15.9"
+version = "0.15.10"
 
 [deps]
 ArrayLayouts = "4c555306-a7a7-4459-81d9-ec55ddd5c99a"
diff --git a/src/inftoeplitz.jl b/src/inftoeplitz.jl
index ac48bc7..ef95ede 100644
--- a/src/inftoeplitz.jl
+++ b/src/inftoeplitz.jl
@@ -120,4 +120,6 @@ MemoryLayout(::Type{<:SymTriPertToeplitz}) = PertTridiagonalToeplitzLayout()
 sublayout(::ApplyBandedLayout, ::Type{<:Tuple{KR,Integer}}) where {KR<:InfAxes} =
     sublayout(PaddedColumns{UnknownLayout}(), Tuple{KR})
 sublayout(::ApplyBandedLayout, ::Type{<:Tuple{Integer,JR}}) where {JR<:InfAxes} =
-    sublayout(PaddedColumns{UnknownLayout}(), Tuple{JR})
\ No newline at end of file
+    sublayout(PaddedColumns{UnknownLayout}(), Tuple{JR})
+
+LazyArrays._vcat_sub_arguments(::Union{PertConstRows,ConstRows}, A, V) = LazyArrays._vcat_sub_arguments(ApplyLayout{typeof(hcat)}(), A, V)
\ No newline at end of file