diff --git a/bypy/linux/__main__.py b/bypy/linux/__main__.py
index bf287f9d63..70faff1fad 100644
--- a/bypy/linux/__main__.py
+++ b/bypy/linux/__main__.py
@@ -107,6 +107,11 @@ def import_site_packages(srcdir, dest):
             shutil.copytree(f, j(dest, x), ignore=ignore_in_lib)
 
 
+def copy_piper(env):
+    print('Copying piper...')
+    shutil.copytree(os.path.join(PREFIX, 'piper'), os.path.join(env.bin_dir, 'piper'))
+
+
 def copy_libs(env):
     print('Copying libs...')
 
@@ -252,7 +257,7 @@ def strip_files(files, argv_max=(256 * 1024)):
 
 
 def strip_binaries(env):
-    files = {j(env.bin_dir, x) for x in os.listdir(env.bin_dir)} | {
+    files = {j(env.bin_dir, x) for x in os.listdir(env.bin_dir) if x != 'piper'} | {
         x for x in {
             j(os.path.dirname(env.bin_dir), x) for x in os.listdir(env.bin_dir)} if os.path.exists(x)}
     for x in walk(env.lib_dir):
@@ -304,6 +309,7 @@ def main():
     env = Env()
     copy_libs(env)
     copy_python(env, ext_dir)
+    copy_piper(env)
     build_launchers(env)
     if not args.skip_tests:
         run_tests(j(env.base, 'calibre-debug'), env.base)
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index f94c84e049..4eda273a03 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -488,7 +488,7 @@ def get_umask():
     return mask
 
 
-# call this at startup as it changed process global state, which doesn't work
+# call this at startup as it changes process global state, which doesn't work
 # with multi-threading. It's absurd there is no way to safely read the current
 # umask of a process.
 get_umask()
@@ -511,8 +511,7 @@ def bundled_binaries_dir() -> str:
 def piper_cmdline() -> tuple[str, ...]:
     ext = '.exe' if iswindows else ''
     if bbd := bundled_binaries_dir():
-        # TODO: Add path to espeak-ng-data with --
-        return (os.path.join(bbd, 'piper' + ext),)
+        return (os.path.join(bbd, 'piper', 'piper' + ext),)
     if pd := os.environ.get('PIPER_TTS_DIR'):
         return (os.path.join(pd, 'piper' + ext),)
     import shutil