diff --git a/src/backend/mxnet/graph.jl b/src/backend/mxnet/graph.jl
index 44b7c5cd..84658a34 100644
--- a/src/backend/mxnet/graph.jl
+++ b/src/backend/mxnet/graph.jl
@@ -30,7 +30,7 @@ graph(::typeof(softmax), xs) =
   mx.broadcast_div(exp(xs), mx.Reshape(mx.sum(exp(xs)), shape = (1,1)))
 
 graph(::typeof(cat), dim::Integer, a...) = mx.Concat(a..., dim = dim)
-graph(::typeof(vcat), a...) = node(cat, 1, a...)
+graph(::typeof(vcat), a...) = graph(cat, 1, a...)
 
 graph(::Input, x) = x