diff --git a/fmriprep/workflows/bold/denoise.py b/fmriprep/workflows/bold/denoise.py
index d0322dad..7ed102a1 100644
--- a/fmriprep/workflows/bold/denoise.py
+++ b/fmriprep/workflows/bold/denoise.py
@@ -209,7 +209,7 @@ def init_bold_dwidenoise_wf(
     # Run NORDIC
     estimator = {
         'nordic': 'nordic',
-        'mppca': 'Est2',
+        'mppca': 'Exp2',
     }
     dwidenoise = pe.Node(
         DWIDenoise(