diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 48d4f61ad..7deb1b927 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.1-1"
-export PIKA_PACKAGE_NAME="imediff"
+export PIKA_PACKAGE_VERSION="1:1.51-10"
+export PIKA_PACKAGE_NAME="xshisen"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"