diff --git a/Makefile.pre.in b/Makefile.pre.in
index 9eb89dea50e..4996c5c3094 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -2127,6 +2127,7 @@ LIBSUBDIRS=	asyncio \
 		re \
 		site-packages \
 		sqlite3 \
+		sysconfig \
 		tkinter \
 		tomllib \
 		turtledemo \