diff --git a/app/pipeclient.py b/app/pipeclient.py
index 4ab7eb0..0169989 100755
--- a/app/pipeclient.py
+++ b/app/pipeclient.py
@@ -160,7 +160,7 @@ class PipeClient():
 
     def _write_pipe_open(self) -> None:
         """Open _write_pipe."""
-        self._write_pipe = open(WRITE_NAME, 'w', encoding='ascii')
+        self._write_pipe = open(WRITE_NAME, 'w')
 
     def _read_thread_start(self) -> None:
         """Start read_pipe thread."""
@@ -204,7 +204,7 @@ class PipeClient():
         """Read FIFO in worker thread."""
         # Thread will wait at this read until it connects.
         # Connection should occur as soon as _write_pipe has connected.
-        with open(READ_NAME, 'r', encoding='ascii') as read_pipe:
+        with open(READ_NAME, 'r') as read_pipe:
             message = ''
             pipe_ok = True
             while pipe_ok: