diff --git a/libhts/libhts/__init__.py b/libhts/libhts/__init__.py
index 191868969208205d3e1b98e635ab6ef9504b91a6..a980938f7983cb8141f3ceaed5deba95d58d9d8a 100644
--- a/libhts/libhts/__init__.py
+++ b/libhts/libhts/__init__.py
@@ -1,4 +1,5 @@
 from .libhts import (
+    aligner2min_mapq,
     gtf_2_genes_exon_lengths,
     id_list_gtf2bed,
     make_empty_bigwig,