diff --git a/src/Arrays/Arrays.jl b/src/Arrays/Arrays.jl
index e8c2ef783..69d3e66a5 100644
--- a/src/Arrays/Arrays.jl
+++ b/src/Arrays/Arrays.jl
@@ -24,6 +24,7 @@ import Base: size
 import Base: getindex, setindex!
 import Base: similar
 import Base: IndexStyle
+import Base: unaliascopy
 
 # CachedArray
 
diff --git a/src/Arrays/SubVectors.jl b/src/Arrays/SubVectors.jl
index 78774cef1..e8c94f791 100644
--- a/src/Arrays/SubVectors.jl
+++ b/src/Arrays/SubVectors.jl
@@ -24,3 +24,4 @@ end
 
 Base.IndexStyle(::Type{SubVector{T,A}}) where {T,A} = IndexLinear()
 
+Base.unaliascopy(A::SubVector) = typeof(A)(unaliascopy(A.vector), A.pini, A.pend)
diff --git a/test/ArraysTests/SubVectorsTests.jl b/test/ArraysTests/SubVectorsTests.jl
index 34c498ded..3a9e34726 100644
--- a/test/ArraysTests/SubVectorsTests.jl
+++ b/test/ArraysTests/SubVectorsTests.jl
@@ -1,5 +1,5 @@
 module SubVectorsTests
-
+using Gridap
 using Gridap.Arrays
 
 a = collect(1:10)
@@ -13,4 +13,15 @@ pend = 9
 b = SubVector(a,pini,pend)
 test_array(b,collect(pini:pend))
 
+inds = Int32[1,4,3]
+a = rand(10)
+sa = Gridap.Arrays.SubVector(a,1,5)
+vsa = view(sa,inds)
+
+b = rand(10)
+vb = view(b,inds)
+
+x = Base.broadcasted(+,vb,vsa)
+Base.materialize!(vb,x)
+
 end # module