diff --git a/build/pkgs/sagelib/spkg-install b/build/pkgs/sagelib/spkg-install
index f17ef00d737..cc9f1ae8301 100755
--- a/build/pkgs/sagelib/spkg-install
+++ b/build/pkgs/sagelib/spkg-install
@@ -54,7 +54,7 @@ else
     (cd "$SITEPACKAGESDIR" && rm -f sagemath-standard.egg-link)
     time python3 -u setup.py --no-user-cfg install || exit 1
     # Run the installation cleaner (no longer part of the sagemath-standard install procedure.)
-    BUILD_BASE=$(cd src && pwd)/build
+    BUILD_BASE=$(pwd)/build
     (cd ../install-cleaner && python3 -u setup.py --no-user-cfg build --build-base=$BUILD_BASE install)
 fi