diff --git a/modules/gffread/main.nf b/modules/gffread/main.nf
index 6c5aecbc..7c024109 100644
--- a/modules/gffread/main.nf
+++ b/modules/gffread/main.nf
@@ -28,7 +28,7 @@ process GFFREAD {
     script:
     def software = getSoftwareName(task.process)
     """
-    gffread $gff $options.args -o ${gff.baseName}.gtf
+    gffread $gff $options.args -o ${gff.baseName}.out.gtf
     echo \$(gffread --version 2>&1) > ${software}.version.txt
     """
 }