diff --git a/modules/local/parasplit.nf b/modules/local/parasplit.nf
index ed05b9f962a662628af057228120ab305ea7e0aa..f969900b7312135f21da4addb9adf88bf6fec1ef 100644
--- a/modules/local/parasplit.nf
+++ b/modules/local/parasplit.nf
@@ -9,7 +9,7 @@ process PARASPLIT {
     val(digestion)
 
     output:
-    tuple val(meta1), path ("*.fastq"), emit: fastq
+    tuple val(meta1), path ("*.fastq.gz"), emit: fastq
     path "versions.yml", emit: versions
 
     script: