diff --git a/src/ttmpsconversion.jl b/src/ttmpsconversion.jl
index 44985f4..2bc1e41 100644
--- a/src/ttmpsconversion.jl
+++ b/src/ttmpsconversion.jl
@@ -66,18 +66,19 @@ end
 
 
 """
+    function TCI.TensorTrain{V}(mps::ITensorMPS.MPS)
     function TCI.TensorTrain(mps::ITensorMPS.MPS)
 
 Converts an ITensor MPS object into a TensorTrain. Note that this only works if the MPS has a single leg per site! Otherwise, use [`TCI.TensorTrain(mps::ITensorMPS.MPO)`](@ref).
 """
-function TCI.TensorTrain(mps::ITensorMPS.MPS)
+function TCI.TensorTrain{V}(mps::ITensorMPS.MPS) where {V}
     links = ITensorMPS.linkinds(mps)
     sites = ITensors.SiteTypes.siteinds(mps)
-    Tfirst = zeros(ComplexF64, 1, dim(sites[1]), dim(links[1]))
+    Tfirst = zeros(V, 1, dim(sites[1]), dim(links[1]))
     Tfirst[1, :, :] = Array(mps[1], sites[1], links[1])
-    Tlast =  zeros(ComplexF64, dim(links[end]), dim(sites[end]), 1)
+    Tlast =  zeros(V, dim(links[end]), dim(sites[end]), 1)
     Tlast[:, :, 1] = Array(mps[end], links[end], sites[end])
-    return TCI.TensorTrain{ComplexF64,3}(
+    return TCI.TensorTrain{V,3}(
         vcat(
             [Tfirst],
             [Array(mps[i], links[i-1], sites[i], links[i]) for i in 2:length(mps)-1],
@@ -85,6 +86,7 @@ function TCI.TensorTrain(mps::ITensorMPS.MPS)
         )
     )
 end
+TCI.TensorTrain(mps::ITensorMPS.MPS) = TCI.TensorTrain{ComplexF64}(mps)
 
 """
     function TCI.TensorTrain(mps::ITensorMPS.MPO)