diff --git a/NDTensors/src/lib/GradedAxes/src/labelledunitrangedual.jl b/NDTensors/src/lib/GradedAxes/src/labelledunitrangedual.jl
index 98923733ab..256cd3f77d 100644
--- a/NDTensors/src/lib/GradedAxes/src/labelledunitrangedual.jl
+++ b/NDTensors/src/lib/GradedAxes/src/labelledunitrangedual.jl
@@ -24,14 +24,12 @@ end
 # fix ambiguities
 Base.getindex(a::LabelledUnitRangeDual, i::Integer) = dual(nondual(a)[i])
 
-function Base.show(
-  io::IO, ::MIME"text/plain", a::Union{LabelledUnitRange,LabelledUnitRangeDual}
-)
+function Base.show(io::IO, ::MIME"text/plain", a::LabelledUnitRangeDual)
   println(io, typeof(a))
   return print(io, label(a), " => ", unlabel(a))
 end
 
-function Base.show(io::IO, a::Union{LabelledUnitRange,LabelledUnitRangeDual})
+function Base.show(io::IO, a::LabelledUnitRangeDual)
   return print(io, nameof(typeof(a)), " ", label(a), " => ", unlabel(a))
 end
 
diff --git a/NDTensors/src/lib/LabelledNumbers/src/labelledunitrange.jl b/NDTensors/src/lib/LabelledNumbers/src/labelledunitrange.jl
index 03965f62f5..4f432c9226 100644
--- a/NDTensors/src/lib/LabelledNumbers/src/labelledunitrange.jl
+++ b/NDTensors/src/lib/LabelledNumbers/src/labelledunitrange.jl
@@ -52,3 +52,12 @@ function Base.iterate(a::LabelledUnitRange, i)
   next = convert(eltype(a), labelled(i + step(a), label(a)))
   return (next, next)
 end
+
+function Base.show(io::IO, ::MIME"text/plain", a::LabelledUnitRange)
+  println(io, typeof(a))
+  return print(io, label(a), " => ", unlabel(a))
+end
+
+function Base.show(io::IO, a::LabelledUnitRange)
+  return print(io, nameof(typeof(a)), " ", label(a), " => ", unlabel(a))
+end