diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0a5b9642b..5a0d630d9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="9.31+dfsg-2"
-export PIKA_PACKAGE_NAME="euslisp"
+export PIKA_PACKAGE_VERSION="0.0.20130228-7"
+export PIKA_PACKAGE_NAME="langford"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"