diff --git a/examples/basics.jl b/examples/basics.jl
index 4e9a8768..b0d7d320 100644
--- a/examples/basics.jl
+++ b/examples/basics.jl
@@ -259,6 +259,6 @@ hcat(initialization(hmm_est_concat), initialization(hmm))
 
 control_seq = fill(nothing, last(seq_ends));  #src
 test_identical_hmmbase(rng, hmm, 100; hmm_guess)  #src
-test_identical_hmmbase(rng, transpose_hmm(hmm), 100; transpose_hmm(hmm_guess))  #src
+test_identical_hmmbase(rng, transpose_hmm(hmm), 100; hmm_guess=transpose_hmm(hmm_guess))  #src
 test_coherent_algorithms(rng, hmm, control_seq; seq_ends, hmm_guess)  #src
 test_type_stability(rng, hmm, control_seq; seq_ends, hmm_guess)  #src