diff --git a/man/mlr_tuners_irace.Rd b/man/mlr_tuners_irace.Rd
index 600143e7..cf1d290e 100644
--- a/man/mlr_tuners_irace.Rd
+++ b/man/mlr_tuners_irace.Rd
@@ -108,7 +108,9 @@ task = tsk("pima")
 
 # load learner and set search space
 learner = lrn("classif.rpart", cp = to_tune(1e-04, 1e-1, logscale = TRUE))
-\donttest{
+
+# currently there is bug in irace 4.0.0 that sometimes let the example crash
+\dontrun{
 # hyperparameter tuning on the pima indians diabetes data set
 instance = tune(
   tuner = tnr("irace"),