diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2bd7e8b71..f6165203e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.0.0-2"
-export PIKA_PACKAGE_NAME="g2clib"
+export PIKA_PACKAGE_VERSION="1.2.5.1-1"
+export PIKA_PACKAGE_NAME="tcl-syslog"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"