diff --git a/inst/tinytest/test-lfmcmc.R b/inst/tinytest/test-lfmcmc.R
index 6c6c770..871e2a7 100644
--- a/inst/tinytest/test-lfmcmc.R
+++ b/inst/tinytest/test-lfmcmc.R
@@ -84,9 +84,9 @@ expect_error(print(lfmcmc_model, burnin = "n_samp"), "argument must be an intege
 expect_silent(verbose_on(lfmcmc_model))
 expect_stdout(run_lfmcmc(
   lfmcmc = lfmcmc_model,
-  params_init_ = par0,
-  n_samples_ = n_samp,
-  epsilon_ = epsil,
+  params_init = par0,
+  n_samples = n_samp,
+  epsilon = epsil,
   seed = model_seed
 ))
 verbose_off(lfmcmc_model)
@@ -316,4 +316,4 @@ expect_error(get_accepted_stats(not_lfmcmc), expected_error_msg)
 expect_error(get_sample_stats(not_lfmcmc), expected_error_msg)
 expect_error(get_n_params(not_lfmcmc), expected_error_msg)
 expect_error(get_n_stats(not_lfmcmc), expected_error_msg)
-expect_error(get_n_samples(not_lfmcmc), expected_error_msg)
\ No newline at end of file
+expect_error(get_n_samples(not_lfmcmc), expected_error_msg)