diff --git a/src/functor.jl b/src/functor.jl
index 73483ab9..f69f4a65 100644
--- a/src/functor.jl
+++ b/src/functor.jl
@@ -40,6 +40,7 @@ end
 trainable(m) = functor(m)[1]
 
 params!(p::Params, x::AbstractArray{<:Real}, seen = IdSet()) = push!(p, x)
+params!(p::Params, x::AbstractArray{Complex{<:Real}}, seen = IdSet()) = push!(p, x)
 
 function params!(p::Params, x, seen = IdSet())
   x in seen && return