diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index eb8879ee8..f7a30ad4b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.5+debian2-1"
-export PIKA_PACKAGE_NAME="kasumi"
+export PIKA_PACKAGE_VERSION="1.12.5+dfsg-2"
+export PIKA_PACKAGE_NAME="orthanc"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"