diff --git a/src/layers/normalise.jl b/src/layers/normalise.jl
index 728c91df..97e88d81 100644
--- a/src/layers/normalise.jl
+++ b/src/layers/normalise.jl
@@ -311,7 +311,7 @@ end
 
 GroupNorm(chs::Integer, G::Integer, λ = identity;
           initβ = (i) -> zeros(Float32, i), initγ = (i) -> ones(Float32, i), ϵ = 1f-5, momentum = 0.1f0) =
-  GroupNorm(G, λ, param(initβ(chs)), param(initγ(chs)),
+  GroupNorm(G, λ, initβ(chs), initγ(chs),
             zeros(G,1), ones(G,1), ϵ, momentum)
 
 function(gn::GroupNorm)(x)