diff --git a/src/mmdiary/utils/medialib.py b/src/mmdiary/utils/medialib.py
index 2cbb6c8..3ac4ace 100755
--- a/src/mmdiary/utils/medialib.py
+++ b/src/mmdiary/utils/medialib.py
@@ -120,7 +120,7 @@ def __init__(self, root):
         self.__root = os.path.expanduser(root)
 
         self.__supported_exts = []
-        for ext, tp in g_fileprop.EXT_TO_TYPE.items():
+        for ext, tp in g_fileprop.ext_to_type.items():
             if tp in (fileprop.AUDIO, fileprop.VIDEO):
                 self.__supported_exts.append(ext)