diff --git a/mne_bids_pipeline/tests/configs/config_ERP_CORE.py b/mne_bids_pipeline/tests/configs/config_ERP_CORE.py
index 55d33035b..14fcfc998 100644
--- a/mne_bids_pipeline/tests/configs/config_ERP_CORE.py
+++ b/mne_bids_pipeline/tests/configs/config_ERP_CORE.py
@@ -223,6 +223,7 @@
     }
 
     eeg_reference = "average"
+    ica_n_components = 30 - 1
     for i in range(1, 180 + 1):
         orig_name = f"stimulus/{i}"
 
diff --git a/mne_bids_pipeline/tests/configs/config_ds003392.py b/mne_bids_pipeline/tests/configs/config_ds003392.py
index 1e081fcbe..d84475cff 100644
--- a/mne_bids_pipeline/tests/configs/config_ds003392.py
+++ b/mne_bids_pipeline/tests/configs/config_ds003392.py
@@ -22,6 +22,7 @@
 ica_algorithm = "picard-extended_infomax"
 ica_max_iterations = 1000
 ica_l_freq = 1.0
+ica_n_components = 0.99
 
 # Epochs
 epochs_tmin = -0.2