diff --git a/src/fusiontrees/manipulations.jl b/src/fusiontrees/manipulations.jl
index 5bb021cf5..f19bb06ed 100644
--- a/src/fusiontrees/manipulations.jl
+++ b/src/fusiontrees/manipulations.jl
@@ -347,7 +347,7 @@ function foldright(f₁::FusionTree{I,N₁}, f₂::FusionTree{I,N₂}) where {I<
     isduala = f₁.isdual[1]
     factor = sqrtdim(a)
     if !isduala
-        factor *= frobeniusschur(a)
+        factor *= conj(frobeniusschur(a))
     end
     c1 = dual(a)
     c2 = f₁.coupled