diff --git a/configure b/configure
index 90f52769..e87badbb 100755
--- a/configure
+++ b/configure
@@ -451,7 +451,7 @@ def create_ninja_and_rc(l_installed):
         'export IRPF90={0}'.format(path_irpf90),
         'export NINJA={0}'.format(path_ninja),
         'export QP_PYTHON={0}'.format(":".join(l_python)), "",
-        'export PYTHONPATH="${QP_PYTHON}":"${PYTHONPATH}"',
+        'export PYTHONPATH="${QP_EZFIO}":"${QP_PYTHON}":"${PYTHONPATH}"',
         'export PATH="${QP_PYTHON}":"${QP_ROOT}"/bin:"${QP_ROOT}"/ocaml:"${PATH}"',
         'export LD_LIBRARY_PATH="${QP_ROOT}"/lib:"${LD_LIBRARY_PATH}"',
         'export LIBRARY_PATH="${QP_ROOT}"/lib:"${LIBRARY_PATH}"', "",