diff --git a/GNNlib/src/layers/conv.jl b/GNNlib/src/layers/conv.jl
index 95e439c81..ca3c5cfe0 100644
--- a/GNNlib/src/layers/conv.jl
+++ b/GNNlib/src/layers/conv.jl
@@ -71,9 +71,10 @@ function gcn_conv(l, g::AbstractGNNGraph, x, edge_weight::EW, norm_fn::F, conv_w
 end
 
 # when we also have edge_weight we need to convert the graph to COO
-function gcn_conv(l, g::GNNGraph{<:ADJMAT_T}, x::AbstractMatrix, edge_weight::AbstractVector; kws...)    
+function gcn_conv(l, g::GNNGraph{<:ADJMAT_T}, x, edge_weight::EW, norm_fn::F, conv_weight::CW) where 
+        {EW <: Union{Nothing, AbstractVector}, CW<:Union{Nothing,AbstractMatrix}, F} 
     g = GNNGraph(edge_index(g)...; g.num_nodes)  # convert to COO
-    return gcn_conv(l, g, x, edge_weight; kws...)
+    return gcn_conv(l, g, x, edge_weight, norm_fn, conv_weight)
 end
 
 function cheb_conv(l, g::GNNGraph, X::AbstractMatrix{T}) where {T}