diff --git a/LunaTranslator/LunaTranslator/hiraparse/basehira.py b/LunaTranslator/LunaTranslator/hiraparse/basehira.py
index cce21626..9a501019 100644
--- a/LunaTranslator/LunaTranslator/hiraparse/basehira.py
+++ b/LunaTranslator/LunaTranslator/hiraparse/basehira.py
@@ -3,6 +3,10 @@ from traceback import print_exc
 from myutils.proxy import getproxy
 
 
+class KnownException(Exception):
+    pass
+
+
 class basehira:
     def init(self):
         pass
@@ -86,6 +90,8 @@ class basehira:
                             hira[_]["hira"] = hira[_]["hira"].replace(
                                 _ka[_reverse_idx], target[_reverse_idx]
                             )
+        except KnownException:
+            pass
         except:
             print_exc()
         return hira
diff --git a/LunaTranslator/LunaTranslator/hiraparse/mecab.py b/LunaTranslator/LunaTranslator/hiraparse/mecab.py
index 072a192c..fa5627d1 100644
--- a/LunaTranslator/LunaTranslator/hiraparse/mecab.py
+++ b/LunaTranslator/LunaTranslator/hiraparse/mecab.py
@@ -2,7 +2,7 @@ import winsharedutils
 import os, functools, csv, gobject
 from ctypes import CFUNCTYPE, c_char_p
 
-from hiraparse.basehira import basehira
+from hiraparse.basehira import basehira, KnownException
 
 # # 2.1.2 src schema
 # UnidicFeatures17 = namedtuple('UnidicFeatures17',
@@ -65,7 +65,7 @@ class mecabwrap:
         fp = CFUNCTYPE(None, c_char_p, c_char_p)(cb)
         succ = winsharedutils.mecab_parse(self.kks, text.encode(codec), fp)
         if not succ:
-            raise Exception  # failed
+            raise KnownException  # failed
 
         return res