diff --git a/OrbitDecomposition.jl b/OrbitDecomposition.jl
index 976a668..9989edd 100644
--- a/OrbitDecomposition.jl
+++ b/OrbitDecomposition.jl
@@ -133,7 +133,7 @@ function orthSVD(M::AbstractMatrix)
     return fact[:U][:,1:M_rank]
 end
 
-function compute_orbit_data{T<:GroupElem}(logger, name::String, G::Group, S::Vector{T}, AutS; radius=2)
+function compute_orbit_data{T<:GroupElem}(logger, name::String, G::Nemo.Group, S::Vector{T}, AutS; radius=2)
    isdir(name) || mkdir(name)
 
    info(logger, "Generating ball of radius $(2*radius)")