diff --git a/src/stage1/generated.jl b/src/stage1/generated.jl
index 2f8f48fd..b0fbe5ba 100644
--- a/src/stage1/generated.jl
+++ b/src/stage1/generated.jl
@@ -313,13 +313,19 @@ function (::∂⃖{N})(::typeof(Core.getfield), s, field::Symbol) where {N}
     end
 end
 
+# Modified version of the function used in Zygote.∇getindex
+# Works around cases where `a` is immutable or has an eltype that does not define `zero` (e.g. Any)
+_zero(xs::AbstractArray{<:Number}, T::Type{<:AbstractZero}) = fill!(similar(xs), zero(eltype(xs)))
+_zero(xs::AbstractArray{<:Number}, T) = fill!(similar(xs, T), false)
+_zero(xs::AbstractArray, T) = fill!(similar(xs, Union{ZeroTangent, T}), ZeroTangent())
+
 # TODO: Temporary - make better
 function (::∂⃖{N})(::typeof(Base.getindex), a::Array, inds...) where {N}
     getindex(a, inds...), let
         EvenOddOdd{1, c_order(N)}(
             (@Base.constprop :aggressive Δ->begin
                 Δ isa AbstractZero && return (NoTangent(), Δ, map(Returns(Δ), inds)...)
-                BB = zero(a)
+                BB = _zero(a, eltype(Δ))
                 BB[inds...] = Δ
                 (NoTangent(), BB, map(x->NoTangent(), inds)...)
             end),
diff --git a/test/runtests.jl b/test/runtests.jl
index 4b1832e6..74e0a769 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -218,3 +218,6 @@ z45, delta45 = frule_via_ad(DiffractorRuleConfig(), (0,1), x -> log(exp(x)), 2)
 
 # Higher order control flow not yet supported (https://github.com/JuliaDiff/Diffractor.jl/issues/24)
 #include("pinn.jl")
+
+# PR #82 - getindex on non-numeric arrays
+@test Diffractor.gradient(ls -> ls[1](1.), [Base.Fix1(*, 1.)])[1][1] isa Tangent{<:Base.Fix1}