diff --git a/src/pl/plpython/meson.build b/src/pl/plpython/meson.build
index 0071817e44..98b7d7c7af 100644
--- a/src/pl/plpython/meson.build
+++ b/src/pl/plpython/meson.build
@@ -67,7 +67,7 @@ install_headers(
   'plpy_typeio.h',
   'plpy_util.h',
   'plpython.h',
-  'plpython_server.h',
+  'plpython_system.h',
   install_dir: dir_include_server,
 )