diff --git a/narps_open/pipelines/team_B23O.py b/narps_open/pipelines/team_B23O.py
index f51bbd2d..bf88cafb 100644
--- a/narps_open/pipelines/team_B23O.py
+++ b/narps_open/pipelines/team_B23O.py
@@ -511,10 +511,7 @@ def get_group_level_analysis_sub_workflow(self, method):
         group_level.connect(specify_model, 'design_grp', estimate_model, 'cov_split_file')
 
         # Randomise Node - Perform clustering on statistical output
-        randomise = MapNode(Randomise(),
-            name = 'randomise',
-            iterfield = ['in_file', 'cope_file'],
-            synchronize = True)
+        randomise = Node(Randomise(), name = 'randomise')
         randomise.inputs.tfce = True
         randomise.inputs.num_perm = 5000
         randomise.inputs.c_thresh = 0.05