diff --git a/tools/run_tests.sh b/tools/run_tests.sh
index 17f64784..59317d46 100755
--- a/tools/run_tests.sh
+++ b/tools/run_tests.sh
@@ -47,6 +47,7 @@ echo "file://$WEBOOB_DIR/modules" > "${WEBOOB_TMPDIR}/sources.list"
 
 export WEBOOB_WORKDIR="${WEBOOB_TMPDIR}"
 export PYTHONPATH="${WEBOOB_DIR}"
+export NOSE_NOPATH="1"
 ${PYTHON} "${WEBOOB_DIR}/scripts/weboob-config" update
 
 # allow failing commands past this point