diff --git a/himawari/ahi2cmi.py b/himawari/ahi2cmi.py
index b56b89ec9aee9e60aabb11be65af5ec83a8927cb..163d8bc9eb9a50070cbf641d4949babc0fd7a5d1 100644
--- a/himawari/ahi2cmi.py
+++ b/himawari/ahi2cmi.py
@@ -682,7 +682,7 @@ class tests(unittest.TestCase):
         print("%d frames" % n_frames)
 
 def write_netcdf(path, as_radiances=False, filename_format="{}.nc", complevel=None, debug=False):
-    from goesr.rockfall import rename, nc_write, autoscale, debug
+    from goesr.rockfall import rename, nc_write, autoscale, debug as rfdebug
     fnstem = os.path.splitext(os.path.split(path)[-1])[0]
     fn = filename_format.format(fnstem)
     pathout = os.path.abspath(fn)
@@ -696,7 +696,7 @@ def write_netcdf(path, as_radiances=False, filename_format="{}.nc", complevel=No
     upstream = autoscale( lething.walk(extra_data_attrs=extra_data_attrs),
                                         variable_names_matching={varname} )
     if debug:
-        upstream = debug(upstream)
+        upstream = rfdebug(upstream)
 
     for fnwrit in nc_write(
                             rename(