diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c61d37a71..f4ce6ad12 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
 export PIKA_PACKAGE_VERSION="6.6.0-1"
-export PIKA_PACKAGE_NAME="kf6-kwindowsystem"
+export PIKA_PACKAGE_NAME="kf6-kauth"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"