diff --git a/doc/guide/conv_vasp.rst b/doc/guide/conv_vasp.rst
index f563e6aa..12b1488b 100644
--- a/doc/guide/conv_vasp.rst
+++ b/doc/guide/conv_vasp.rst
@@ -341,7 +341,7 @@ Optional group parameters:
    a per-site (per-ion) basis. That is, if `NORMION = True`, the orthogonality
    condition will be enforced on each site separately but the Wannier functions
    on different sites will not be orthogonal. If `NORMION = False`, the Wannier functions
-   on different sites included in the group will be orthogonal to each other. The default value is **True**
+   on different sites included in the group will be orthogonal to each other. The default value is **False**
 *  **BANDS** (int int): the energy window specified by two ints: band index of
    lowest band and band index of highest band. Using this overrides the selection
    in `EWINDOW`.
diff --git a/python/triqs_dft_tools/converters/plovasp/inpconf.py b/python/triqs_dft_tools/converters/plovasp/inpconf.py
index 040fc121..978ee355 100644
--- a/python/triqs_dft_tools/converters/plovasp/inpconf.py
+++ b/python/triqs_dft_tools/converters/plovasp/inpconf.py
@@ -94,7 +94,7 @@ class ConfigParameters:
 
         self.gr_optional = {
             'normalize' : ('normalize', self.parse_string_logical, True),
-            'normion' : ('normion', self.parse_string_logical, True),
+            'normion' : ('normion', self.parse_string_logical, False),
             'complement' : ('complement', self.parse_string_logical, False),
             'bands': ('bands', self.parse_band_window)}
 
diff --git a/test/python/plovasp/converter/example.cfg b/test/python/plovasp/converter/example.cfg
index 9283e911..b45faf4c 100644
--- a/test/python/plovasp/converter/example.cfg
+++ b/test/python/plovasp/converter/example.cfg
@@ -5,5 +5,6 @@ BASENAME = converter/one_site
 LSHELL = 2
 IONS = 2
 EWINDOW = -15.0  5.0
+NORMION = True
 
 
diff --git a/test/python/plovasp/converter/lunio3.cfg b/test/python/plovasp/converter/lunio3.cfg
index 1cd2f084..b35286ac 100644
--- a/test/python/plovasp/converter/lunio3.cfg
+++ b/test/python/plovasp/converter/lunio3.cfg
@@ -7,4 +7,5 @@ IONS = [5, 6]  [7, 8]
 EWINDOW = -0.6  2.7
 TRANSFILE = converter/lunio3/rot_dz2_dx2
 NORMALIZE = True
+NORMION = True
 
diff --git a/test/python/plovasp/inpconf/test_groups.py b/test/python/plovasp/inpconf/test_groups.py
index f09b2498..f51bc066 100644
--- a/test/python/plovasp/inpconf/test_groups.py
+++ b/test/python/plovasp/inpconf/test_groups.py
@@ -39,9 +39,9 @@ class TestParseGroups(arraytest.ArrayTestCase):
         conf_pars.parse_groups()
         res = conf_pars.groups
         expected = [{'index': 1, 'shells': [1, 2], 'ewindow': (-7.6, 3.0),
-                     'normalize': True, 'normion': True,'complement': False},
+                     'normalize': True, 'normion': False,'complement': False},
                     {'index': 2, 'shells': [3], 'ewindow': (-1.6, 2.0),
-                     'normalize': True, 'normion': True,'complement': False}]
+                     'normalize': True, 'normion': False,'complement': False}]
         print(res)
         print(expected)
         self.assertListEqual(res, expected)
diff --git a/test/python/plovasp/inpconf/test_input.py b/test/python/plovasp/inpconf/test_input.py
index 9a3652be..0d0d629e 100644
--- a/test/python/plovasp/inpconf/test_input.py
+++ b/test/python/plovasp/inpconf/test_input.py
@@ -83,7 +83,7 @@ class TestParseInput(arraytest.ArrayTestCase):
 [0.,0.,1.]]),'ion_sort':None,'corr':True},{'user_index':3,'ions':{'ion_list':[[0],[1],[2],[3]],'nion':4},'lshell':3,'ion_sort':None,'corr':True}]
 
 Groups:
-[{'index':1,'shells':[0,1],'ewindow':(-7.6,3.0),'normalize':True,'normion':True,'complement':False},{'index':2,'shells':[2],'ewindow':(-1.6,2.0),'normalize':True,'normion':True,'complement':False}]"""
+[{'index':1,'shells':[0,1],'ewindow':(-7.6,3.0),'normalize':True,'normion':False,'complement':False},{'index':2,'shells':[2],'ewindow':(-1.6,2.0),'normalize':True,'normion':False,'complement':False}]"""
 
         self.assertEqual(res, expected)
 
@@ -106,7 +106,7 @@ Groups:
 [{'user_index':1,'ions':{'ion_list':[[4],[5],[6],[7]],'nion':4},'lshell':2,'ion_sort':None,'corr':True}]
 
 Groups:
-[{'index':'1','ewindow':(-7.6,3.0),'normalize':True,'normion':True,'complement':False,'shells':[0]}]"""
+[{'index':'1','ewindow':(-7.6,3.0),'normalize':True,'normion':False,'complement':False,'shells':[0]}]"""
 
         self.assertEqual(res, expected)