diff --git a/workflow/rna-seq.nf b/workflow/rna-seq.nf
index e9cfc90469ead5eae9f4dbb5b92d28a20ee3325c..5fa5bd1faa5086b1bfab6db71c683a5d08b2dcc4 100644
--- a/workflow/rna-seq.nf
+++ b/workflow/rna-seq.nf
@@ -487,6 +487,6 @@ process inferMetadata {
     done | parallel -j `nproc` -k > ${repRID}.sorted.deduped.tin.xls 2>>${repRID}.rseqc.err
 
     # write infered metadata to file
-    echo -e "\${endness}','\${stranded}','\${strategy}','\${percentF}','\${percentR}','\${fail}" > infer.csv
+    echo -e \${endness},\${stranded},\${strategy},\${percentF},\${percentR},\${fail} > infer.csv
     """
 }