diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e826c94aa..728fd7a65 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
 export PIKA_PACKAGE_VERSION="19.0.0~rc1-2"
-export PIKA_PACKAGE_NAME="zaqar"
+export PIKA_PACKAGE_NAME="magnum"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"