diff --git a/workflow/rna-seq.nf b/workflow/rna-seq.nf
index 9579ce10f8c0e426fd5c57ed53f83e2049d1a6e0..0c7285be25374b26259594e141f45b2cbf405e54 100644
--- a/workflow/rna-seq.nf
+++ b/workflow/rna-seq.nf
@@ -877,7 +877,7 @@ process countData {
     echo -e "LOG: counted" >> ${repRID}.countData.log
     
     # extract assigned reads
-    grep -m 1 'Assigned' *.countData.summary | grep -oe '\\([0-9.]*\\)') > assignedReads.csv
+    grep -m 1 'Assigned' *.countData.summary | grep -oe '\\([0-9.]*\\)' > assignedReads.csv
 
     # calculate TPM from the resulting countData table
     echo -e "LOG: calculating TPM with R" >> ${repRID}.countData.log