diff --git a/modules/local/module_core.nf b/modules/local/module_core.nf
index 35bd8682f6c5f43a5bdd422ce64d6229f92a35cc..7db960a903b2ec01bb454d21e68d9728b11dc8d4 100644
--- a/modules/local/module_core.nf
+++ b/modules/local/module_core.nf
@@ -124,7 +124,7 @@ process MERGE_LANES {
 		tuple val(sample), path(reads)
 	
 	output:
-		tuple val(sample), path("*.fastq.gz"), emit: fastq
+		tuple val(sample), path("*.fastq"), emit: fastq
 	
 	script:
 	def args = task.ext.args ?: ''