diff --git a/test/perlobj.jl b/test/perlobj.jl
index 1805fae8..b92ae3e1 100644
--- a/test/perlobj.jl
+++ b/test/perlobj.jl
@@ -152,6 +152,9 @@
         @test i.VERTICES[1, :] == [1, 0, Polymake.QuadraticExtension{Polymake.Rational}(1//4, 1//4, 5), 1//2]
         @test i.VOLUME == Polymake.QuadraticExtension{Polymake.Rational}(5//4, 5//12, 5)
         @test Polymake.bigobject_eltype(i) == "QuadraticExtension"
+
+        undefobj = Polymake.polytope.Polytope(POINTS=nothing)
+        @test undefobj.POINTS === nothing
     end
 
     @testset verbose=true "attachments" begin