diff --git a/workflow/main.nf b/workflow/main.nf
index f96063110812e0b17032310cbf6a8d4b7de95b2e..8a50107544eef5ae486f0a570921be3ed54113c1 100644
--- a/workflow/main.nf
+++ b/workflow/main.nf
@@ -344,7 +344,7 @@ process callPeaksMACS {
   }
   else {
     """
-    python3 $baseDir/scripts/call_peaks_macs.py -t $tagAlign -x $xcor -c $controlTagAlign -s $sampleId -g $genomeSize -z $chromSizes -p
+    python3 $baseDir/scripts/call_peaks_macs.py -t $tagAlign -x $xcor -c $controlTagAlign -s $sampleId -g $genomeSize -z $chromSizes
     """
   }