diff --git a/python/src/nnabla/utils/converter/nnablart/utils.py b/python/src/nnabla/utils/converter/nnablart/utils.py
index <HASH>..<HASH> 100644
--- a/python/src/nnabla/utils/converter/nnablart/utils.py
+++ b/python/src/nnabla/utils/converter/nnablart/utils.py
@@ -143,6 +143,6 @@ def preprocess_for_exporter(info, exporter_name):
 
     for func in info._network.function:
         if func.type in preprocess_list:
-            preprocessor = preprocess_list[func.name]
+            preprocessor = preprocess_list[func.type]
             if callable(preprocessor):
                 preprocessor(info, func)
fix a typo which cause nnb converter failure


(cherry picked from commit 5c<I>e<I>fe<I>f<I>b<I>f<I>f<I>aa)