diff --git a/src/pyrad_proc/pyrad/io/read_data_sensor.py b/src/pyrad_proc/pyrad/io/read_data_sensor.py
index 27bfec31a..0e70b1cba 100755
--- a/src/pyrad_proc/pyrad/io/read_data_sensor.py
+++ b/src/pyrad_proc/pyrad/io/read_data_sensor.py
@@ -32,6 +32,7 @@
     read_disdro_parsivel
     read_radiosounding_wyoming
     read_radiosounding_igra
+    read_fzl_igra
 """
 
 import os