diff --git a/pyglance/glance/io.py b/pyglance/glance/io.py
index 1ddfc0098626c0f6991806f23cc1c9b4e9e9bab4..9fd2efc49aa19e9ddfb5dfa1034164d90756272a 100644
--- a/pyglance/glance/io.py
+++ b/pyglance/glance/io.py
@@ -76,7 +76,7 @@ class hdf(SD):
         """
         if (scaling_method == 0) :
             return raw_data_copy
-        if not ((scaling_method is None) or (int(scaling_method) > 1)) :
+        if not ((scaling_method is None) or (int(scaling_method) <= 1)) :
             LOG.warn ('Scaling method of \"' + str(scaling_method) + '\" will be ignored in favor of hdf standard method. '
                       + 'This may cause problems with data consistency')