diff --git a/src/tracker/lib.jl b/src/tracker/lib.jl
index 254be8dc..7a331083 100644
--- a/src/tracker/lib.jl
+++ b/src/tracker/lib.jl
@@ -29,6 +29,7 @@ Base.repmat(x::TrackedVecOrMat, a::Integer...) = TrackedArray(Call(repmat, x, a.
 Base.repmat(x::TrackedVecOrMat, a::Int64...) = TrackedArray(Call(repmat, x, a...))
 
 Base.vcat(a::TrackedVector, b::TrackedVector)  = TrackedArray(Call(vcat, a, b))
+Base.vcat(a::TrackedVector...)                 = TrackedArray(Call(vcat, a...))
 Base.vcat(a::TrackedVector, b::AbstractVector) = TrackedArray(Call(vcat, a, b))
 Base.vcat(a::AbstractVector, b::TrackedVector) = TrackedArray(Call(vcat, a, b))