diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9eadfb7b0..b13e08d75 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -2,4 +2,4 @@ export PIKA_PACKAGE_VERSION="1:3.5.1-12"
 export PIKA_PACKAGE_NAME="amanda"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
-export PIKA_REBUILD_VERSION="b2"
+export PIKA_REBUILD_VERSION="b3"
diff --git a/pika-build-config/ltosetup.sh b/pika-build-config/ltosetup.sh
index 81bba5ae4..de6172181 100755
--- a/pika-build-config/ltosetup.sh
+++ b/pika-build-config/ltosetup.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-. ./lto.sh
+. pika-build-config/lto.sh
 export PIKA_BUILD_ARCH="amd64-v3"
 export DEBIAN_FRONTEND="noninteractive"
 export DEB_BUILD_MAINT_OPTIONS="optimize=+lto -march=x86-64-v3 -O3 -flto -fuse-linker-plugin -falign-functions=32"
diff --git a/pika-build-config/v3setup.sh b/pika-build-config/v3setup.sh
index cec05833c..426511243 100644
--- a/pika-build-config/v3setup.sh
+++ b/pika-build-config/v3setup.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-. ./nonelto.sh
+. pika-build-config/nonelto.sh
 export PIKA_BUILD_ARCH="amd64-v3"
 export DEBIAN_FRONTEND="noninteractive"
 export DEB_BUILD_MAINT_OPTIONS="optimize=-march=x86-64-v3 -O3"