diff --git a/src/ASEconvert.jl b/src/ASEconvert.jl
index 0a01583..27dd86b 100644
--- a/src/ASEconvert.jl
+++ b/src/ASEconvert.jl
@@ -97,7 +97,7 @@ function convert_ase(system::AbstractSystem{D}) where {D}
         # TODO Implement and make use of a property interface on the system level
         info = Dict(string(k) => v for (k, v) in system.data)
     else
-        info = Dict{String,Any}()
+        info = Dict{String, Any}()
     end
 
     ase.Atoms(; symbols, positions, cell, pbc, velocities, info, extra...)
diff --git a/test/runtests.jl b/test/runtests.jl
index 2aea7e8..c823666 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -112,11 +112,13 @@ end
         @test velocity(bulk_Fe) == [[0.0, 0.0, 0.0], [0.0, 0.0, 0.0]]u"Å/s"
     end
 
-    @testset "Writing files using ASE" begin mktempdir() do d
-        file = joinpath(d, "output.xyz")
-        ase.io.write(file, convert_ase(system))
+    @testset "Writing files using ASE" begin
+        mktempdir() do d
+            file = joinpath(d, "output.xyz")
+            ase.io.write(file, convert_ase(system))
 
-        newsystem = ExtXYZ.Atoms(ExtXYZ.read_frame(file))
-        test_approx_eq(system, newsystem; atol=1e-7, ignore_missing=true)
-    end end
+            newsystem = ExtXYZ.Atoms(ExtXYZ.read_frame(file))
+            test_approx_eq(system, newsystem; atol=1e-7, ignore_missing=true)
+        end
+    end
 end