diff --git a/definitions/subworkflows/cram_to_bam_and_index.wdl b/definitions/subworkflows/cram_to_bam_and_index.wdl
index e8f36b31..0e341b82 100644
--- a/definitions/subworkflows/cram_to_bam_and_index.wdl
+++ b/definitions/subworkflows/cram_to_bam_and_index.wdl
@@ -17,7 +17,7 @@ workflow cramTobamAndIndex{
         cram=cram,
         cram_index=cram_index,
         reference=reference,
-        reference_fai=reference_index,
+        reference_index=reference_index,
         reference_dict=reference_dict
     }