diff --git a/build_server_debian.sh b/build_server_debian.sh
index c0f39de2..9b4eb5e6 100755
--- a/build_server_debian.sh
+++ b/build_server_debian.sh
@@ -16,7 +16,7 @@ if ! test -e build_server_debian_ok
 then
 	./switch_build.sh server
 	autoreconf --install
-	./configure --enable-packaging --enable-install_initd --with-mountvhd LDFLAGS="$LDFLAGS"
+	./configure --enable-packaging --enable-install_initd --with-mountvhd LDFLAGS="$LDFLAGS -flto" CPPFLAGS="-flto"
 	touch build_server_debian_ok
 fi