diff --git a/src/tracker/array.jl b/src/tracker/array.jl
index c950413c..bb42e70f 100644
--- a/src/tracker/array.jl
+++ b/src/tracker/array.jl
@@ -291,6 +291,7 @@ function back(b::Broadcasted, Δ, args::Vararg{Any,N}) where N
   foreach((x, Δ) -> @back(x, unbroadcast(x, Δ)), args, Δargs)
 end
 
+Base.Broadcast._containertype(::Type{<:TrackedReal}) = TrackedArray
 Base.Broadcast._containertype(::Type{<:TrackedArray}) = TrackedArray
 Base.Broadcast.promote_containertype(::Type{TrackedArray}, ::Type{TrackedArray}) = TrackedArray
 Base.Broadcast.promote_containertype(::Type{Array}, ::Type{TrackedArray}) = TrackedArray