diff --git a/build.sh b/build.sh
index 568ed49417f5547c65a8d42f5e81a764ae2f4ba8..7ec788533e436ac10b9b1243a55b322c56088fd3 100644
--- a/build.sh
+++ b/build.sh
@@ -8,7 +8,8 @@ run_cmd wget https://www.idiap.ch/software/bob/databases/latest/PythonFaceEvalua
 run_cmd mkdir PythonFaceEvaluation
 run_cmd tar -xjf PythonFaceEvaluation.tar.bz2 -C PythonFaceEvaluation
 run_cmd ./bin/patch_CSU.py PythonFaceEvaluation
-run_cmd ./bin/buildout buildout:csu-dir=PythonFaceEvaluation
+run_cmd ./bin/buildout buildout:csu-dir=./PythonFaceEvaluation
+export PYTHONPATH="PythonFaceEvaluation:$PYTHONPATH"
 
 if [ -x ./bin/bob_dbmanage.py ]; then
   run_cmd ./bin/bob_dbmanage.py all download --force;