diff --git a/aques.py b/aques.py
index 3a625bc..c3755d8 100644
--- a/aques.py
+++ b/aques.py
@@ -1,4 +1,5 @@
 from ctypes import *
+import subprocess
 
 
 class Aques:
@@ -14,14 +15,9 @@ class Aques:
             with open (phont_file, 'rb') as f:
                 phont = f.read ()
 
-        aqkoe = cdll.LoadLibrary ('libAqKanji2Koe.so')
-        dic_path: str = './aq_dic'
-        err = c_int (0)
-        aqkoe.AqKanji2Koe_Create.restype = c_void_p
-        handle = aqkoe.AqKanji2Koe_Create (dic_path.encode ('utf-8'), byref (err))
-        koe: str = ''
-        aqkoe.AqKanji2Koe_Convert.restype = c_int
-        aqkoe.AqKanji2Koe_Convert (handle, text.encode ('utf-8'), koe, 4096)
+        p = subprocess.Popen ('./aques', stdin = subprocess.PIPE,
+                              stdout = subprocess.PIPE)
+        koe = p.communicate (text.encode ())[0].decode ()
 
         aqtk = cdll.LoadLibrary ('libAquesTalk2Eva.so')
         aqtk.AquesTalk2_Synthe_Utf8.restype = POINTER (ARRAY (c_ubyte, 0))