diff --git a/src/tracker/array.jl b/src/tracker/array.jl
index fe8a5fc4..28941c11 100644
--- a/src/tracker/array.jl
+++ b/src/tracker/array.jl
@@ -358,7 +358,7 @@ conv(x::TrackedArray,  w::AbstractArray; kw...) = track(conv, x, w; kw...)
 @grad conv(x, w; kw...) =
   conv(data(x), data(w); kw...),
     Δ -> nobacksies(:conv,
-      (NNlib.∇conv_data(data.((Δ, w))..., size(x); kw...),
+      (NNlib.∇conv_data(data.((Δ, w))...; size=size(x), kw...),
        NNlib.∇conv_filter(data.((Δ, x, w))...; kw...)))
 
 ∇conv_data(x::TrackedArray,  w::TrackedArray;  kw...) = track(∇conv_data, x, w; kw...)
@@ -368,7 +368,7 @@ conv(x::TrackedArray,  w::AbstractArray; kw...) = track(conv, x, w; kw...)
 @grad ∇conv_data(x, w; kw...) =
   ∇conv_data(data(x), data(w); kw...),
     Δ -> nobacksies(:conv,
-      (NNlib.conv(data.((Δ, w))..., size(x); kw...),
+      (NNlib.conv(data.((Δ, w))...; size=size(x), kw...),
        NNlib.∇conv_filter(data.((x, Δ, w))...; kw...)))
 
 maxpool(x::TrackedArray, k; kw...) = track(maxpool, x, k; kw...)