diff --git a/base/broadcast.jl b/base/broadcast.jl
index 3a8be92fbf0ad..628190f41b5d2 100644
--- a/base/broadcast.jl
+++ b/base/broadcast.jl
@@ -689,7 +689,7 @@ julia> string.(("one","two","three","four"), ": ", 1:4)
 
 ```
 """
-broadcast(f::Tf, As...) where {Tf} = copy(instantiate(broadcasted(f, As...)))
+broadcast(f::Tf, As...) where {Tf} = materialize(broadcasted(f, As...))
 
 # special cases defined for performance
 @inline broadcast(f, x::Number...) = f(x...)