diff --git a/pkgs/development/interpreters/pypy/default.nix b/pkgs/development/interpreters/pypy/default.nix
index 0ff1c431719..143bab57534 100644
--- a/pkgs/development/interpreters/pypy/default.nix
+++ b/pkgs/development/interpreters/pypy/default.nix
@@ -63,7 +63,9 @@ let
       cd ./lib_pypy
         ../pypy-c ./_audioop_build.py
         ../pypy-c ./_curses_build.py
+        ../pypy-c ./_pwdgrp_build.py
         ../pypy-c ./_sqlite3_build.py
+        ../pypy-c ./_syslog_build.py
         ../pypy-c ./_tkinter/tklib_build.py
       cd ..
     '';