diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 814f75d8c..022fd43c9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
 export PIKA_PACKAGE_VERSION="6.5.0-1"
-export PIKA_PACKAGE_NAME="kf6-kdoctools"
+export PIKA_PACKAGE_NAME="kf6-kpty"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"