diff --git a/build/pkgs/patch/spkg-install.in b/build/pkgs/patch/spkg-install.in
index 57f66569cb0..444505b53bd 100644
--- a/build/pkgs/patch/spkg-install.in
+++ b/build/pkgs/patch/spkg-install.in
@@ -7,6 +7,7 @@ if [ "x$UNAME" = xAIX ] ; then
 fi
 
 cd src
+cp "$SAGE_ROOT"/config/config.* build-aux/
 sdh_configure
 sdh_make
 sdh_make_install