diff --git a/conf/modules.config b/conf/modules.config
index 5e5e0a01..f241f879 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -329,7 +329,7 @@ process {
             mode: params.publish_dir_mode,
             saveAs: { filename -> filename.equals('versions.yml') ? null : filename },
         ]
-        ext.args = "--max_readlength ${params.read_length}"
+        ext.args = "--max_readlength ${params.read_length} --human_gencode_filter"
     }
 
     withName: 'STARFUSION_DOWNLOAD' {