diff --git a/src/nf_modules/samtools/main.nf b/src/nf_modules/samtools/main.nf
index 60ffb253fa64e91c85b81ed7db313598583b22d4..a0f44cf17c8cb1ea98a5b52626a229379a5ed583 100644
--- a/src/nf_modules/samtools/main.nf
+++ b/src/nf_modules/samtools/main.nf
@@ -62,7 +62,8 @@ process index_bam {
     tuple val(file_id), path(bam)
 
   output:
-    tuple val(file_id), path("*.bam*"), emit: bam
+    tuple val(file_id), path(bam), emit: bam
+    tuple val(file_id), path("*.bam*"), emit: bam_idx
 
   script:
 """