diff --git a/Project.toml b/Project.toml
index b16a767..92f5a9b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "DiskArrays"
 uuid = "3c3547ce-8d99-4f5e-a174-61eb10b00ae3"
 authors = ["Fabian Gans <fgans@bgc-jena.mpg.de>"]
-version = "0.4.19"
+version = "0.4.20"
 
 [deps]
 ConstructionBase = "187b0558-2788-49d3-abe0-74a17ed4e7c9"
diff --git a/src/iterator.jl b/src/iterator.jl
index 1281faa..296c160 100644
--- a/src/iterator.jl
+++ b/src/iterator.jl
@@ -91,6 +91,8 @@ end
         end
     end
 end
+_iterate_disk(a::AbstractArray{<:Any,0}, i=1) = i == 1 ? (@inbounds a[i], 2) : nothing
+
 @noinline function _iterate_disk(a)
     # Get the indices for each chunk of data
     blockinds = BlockedIndices(eachchunk(a))
diff --git a/test/runtests.jl b/test/runtests.jl
index 73d9068..483f189 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -379,6 +379,15 @@ end
     end
 end
 
+# https://github.com/JuliaIO/DiskArrays.jl/issues/289
+@testset "iteration works for 0-dimensional arrays" begin
+    a = UnchunkedDiskArray(fill(42))
+    @test iterate(a) == (42, 2)
+    @test iterate(a, 1) == (42, 2)
+    @test iterate(a, 2) === nothing
+    @test collect(a) == fill(42)
+end
+
 @testset "Views" begin
     a = AccessCountDiskArray(zeros(Int, 4, 5, 1))
     test_view(a)