diff --git a/conf/modules.config b/conf/modules.config
index 1d85bb15f0458bee29175945aeeda4a606682120..bdfe70c161cd3ebe899115645d36954865fac9ae 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -471,8 +471,8 @@ process {
     }
 
     withName: 'PARASPLIT' {
-        ext.output_for = { "${meta1.id}_${meta1.chunk}_${meta1.mates}_digested.fastq" }
-        ext.output_rev = { "${meta2.id}_${meta2.chunk}_${meta2.mates}_digested.fastq" }
+        ext.output_for = { "${meta1.id}_${meta1.chunk}_${meta1.mates}_digested.fastq.gz" }
+        ext.output_rev = { "${meta2.id}_${meta2.chunk}_${meta2.mates}_digested.fastq.gz" }
         ext.args = { [
             " --mode ${params.parasplit_mode}",
             " --seed_size ${params.parasplit_seed}"
diff --git a/modules/local/parasplit.nf b/modules/local/parasplit.nf
index f969900b7312135f21da4addb9adf88bf6fec1ef..f0c978a9a95c403f4c36f475796c7a8ee9c9bb75 100644
--- a/modules/local/parasplit.nf
+++ b/modules/local/parasplit.nf
@@ -18,7 +18,7 @@ process PARASPLIT {
     def output_rev = task.ext.output_rev ?: "${meta2.id}_${meta2.chunk}_${meta2.mates}.fastq.gz"
 
     """
-    parasplit -sf ${reads1} -sr ${reads2} -le ${digestion} -of ${output_for} -or ${output_rev} -nt ${task.cpus}  -sz 20 -m all ${args}
+    parasplit -sf ${reads1} -sr ${reads2} -le ${digestion} -of ${output_for} -or ${output_rev} -nt ${task.cpus} ${args}
     cat <<-END_VERSIONS > versions.yml
     "${task.process}":
         parasplit: \$(parasplit --version)