diff --git a/src/generation/formula.jl b/src/generation/formula.jl
index 10361de..90385f3 100644
--- a/src/generation/formula.jl
+++ b/src/generation/formula.jl
@@ -194,7 +194,7 @@ end
     kwargs...
 )
     randformula(
-        initrng(rng), maxheight, alphabet(g), operators(g), args...;
+        initrng(rng), maxheight, g, args...;
         atompicker = atomweights, opweights = opweights, kwargs...)
 end