diff --git a/src/Ranges.jl b/src/Ranges.jl
index 6c205a7..69e2f13 100644
--- a/src/Ranges.jl
+++ b/src/Ranges.jl
@@ -10,15 +10,15 @@ export range, RangeData, slider
 register_normal_element("q__range", context = @__MODULE__)
 register_normal_element("q__slider", context = @__MODULE__)
 
-# we have to use UnitRange because Quasar does not send back the step so we always
-# end up with a UnitRange from Quasar
-# this means that we need to use UnitRange on the Julia side and do the stepping in Quasar
-# so no StepRange is allowed here
-Base.@kwdef mutable struct RangeData{T}
-  range::UnitRange{T}
+const QRangeType = Union{Symbol, String, Real}
+
+Base.@kwdef mutable struct RangeData{QRangeType}
+  min::QRangeType
+  max::QRangeType
 end
 
-const QRangeType = Union{Symbol, String, Real}
+RangeData(ar::AbstractRange{<:QRangeType}) = RangeData(first(ar), last(ar))
+
 struct QRange <: AbstractRange{QRangeType}
   min::QRangeType
   step::QRangeType