diff --git a/src/DatasetAPI/Datasets.jl b/src/DatasetAPI/Datasets.jl
index a46b21b01..8ad7112ef 100644
--- a/src/DatasetAPI/Datasets.jl
+++ b/src/DatasetAPI/Datasets.jl
@@ -318,6 +318,7 @@ function testrange(x)
 end
 
 function testrange(x::AbstractArray{<:Integer})
+    length(x) == 1 && return x
     steps = diff(x)
     if all(isequal(steps[1]), steps) && !iszero(steps[1])
         return range(first(x), step = steps[1], length = length(x))
diff --git a/test/Datasets/datasets.jl b/test/Datasets/datasets.jl
index c8986e290..b2f3d1ec9 100644
--- a/test/Datasets/datasets.jl
+++ b/test/Datasets/datasets.jl
@@ -419,6 +419,15 @@ end
     @test :b in keys(ds3.cubes)
     @test !in(:c,keys(ds3.cubes))
 
+    # arrays with a dimension of length 1
+    a4 = YAXArray(ones(5, 1))
+    ds4 = Dataset(layer=a4)
+    path = tempname() * ".zarr"
+    savedataset(ds4; path=path)
+    ds5 = open_dataset(path)
+    @test length(ds4.Dim_2) == length(ds5.Dim_2) == 1
+    @test ds4.Dim_2 == ds5.Dim_2
+    rm(path, recursive=true, force=true)
 end
 
 @testset "Saving, OutDims" begin