diff --git a/src/layers/show.jl b/src/layers/show.jl
index 0ae14dd9ee..3fb8fb0d78 100644
--- a/src/layers/show.jl
+++ b/src/layers/show.jl
@@ -93,7 +93,8 @@ function _big_finale(io::IO, m)
   if length(ps) > 2
     pars = underscorise(sum(length, ps; init=0))
     bytes = Base.format_bytes(Base.summarysize(m))
-    noncnt = _childarray_sum(_->1, m) - length(ps)
+    unique_params = IdSet()
+    noncnt = _childarray_sum(_ -> 1, m, unique_params) - length(ps)
     if noncnt > 0
       nonparam = underscorise(_childarray_sum(length, m) - sum(length, ps; init=0))
       printstyled(io, " "^08, "# Total: ", length(ps), " trainable arrays, "; color=:light_black)
@@ -110,6 +111,17 @@ end
 _childarray_sum(f, x::AbstractArray{<:Number}) = f(x)
 _childarray_sum(f, x) = isleaf(x) ? 0 : sum(y -> _childarray_sum(f, y), Functors.children(x), 
 init=0)
+_childarray_sum(f, x::AbstractArray{<:Number}, idset::Base.IdSet) = f(x)
+function _childarray_sum(f, x, idset::Base.IdSet)
+    isleaf(x) && return 0
+
+    if x in idset
+        return 0
+    else
+        push!(idset, x)
+        return sum(y -> _childarray_sum(f, y, idset), Functors.children(x), init = 0)
+    end
+end
 
 # utility functions