diff --git a/workflow/scripts/pool_and_psuedoreplicate.py b/workflow/scripts/pool_and_psuedoreplicate.py
index 1ee66a712ee352f2a089ce77e1317d21045e4a69..5ed1360c691a377b280d5e08b4f0415980e12ed4 100644
--- a/workflow/scripts/pool_and_psuedoreplicate.py
+++ b/workflow/scripts/pool_and_psuedoreplicate.py
@@ -196,7 +196,7 @@ def main():
         design_new_df.at[2, 'sample_id'] = experiment_id + '_pr2'
         design_new_df.at[2, 'replicate'] = '2_pr'
         design_new_df.at[2, 'xcor'] = 'Calculate'
-        design_new_df.at[3, 'sample_id'] = experiment_id + 'pooled'
+        design_new_df.at[3, 'sample_id'] = experiment_id + '_pooled'
         design_new_df.at[3, 'replicate'] = 'pooled'
         design_new_df.at[3, 'xcor'] = 'Calculate'