diff --git a/tests/test_widgets.py b/tests/test_widgets.py
index 6b60dfa6b..4b3e8aa39 100644
--- a/tests/test_widgets.py
+++ b/tests/test_widgets.py
@@ -698,6 +698,11 @@ def test_wcsextrastringwidget_phone_fr():
     mock_form_submission(req, widget, {'test': '0123456789'})
     assert not widget.has_error()
 
+    widget = WcsExtraStringWidget('test', value='foo', required=False)
+    widget.field = fakefield
+    mock_form_submission(req, widget, {'test': '01 23 45 67 89'})
+    assert not widget.has_error()
+
     widget = WcsExtraStringWidget('test', value='foo', required=False)
     widget.field = fakefield
     mock_form_submission(req, widget, {'test': 'az'})
@@ -708,6 +713,11 @@ def test_wcsextrastringwidget_phone_fr():
     mock_form_submission(req, widget, {'test': '0123'})
     assert widget.has_error()
 
+    widget = WcsExtraStringWidget('test', value='foo', required=False)
+    widget.field = fakefield
+    mock_form_submission(req, widget, {'test': '01234567890123'})
+    assert widget.has_error()
+
     # and check it gets a special HTML input type
     assert 'type="tel"' in str(widget.render())
 
diff --git a/wcs/qommon/form.py b/wcs/qommon/form.py
index d436a6aa4..7d5f3163d 100644
--- a/wcs/qommon/form.py
+++ b/wcs/qommon/form.py
@@ -930,7 +930,7 @@ class ValidationWidget(CompositeWidget):
     validation_methods = collections.OrderedDict([
         ('digits', {'title': N_('Digits'), 'regex': '\d+'}),
         ('phone', {'title': N_('Phone Number'), 'regex': r'\+?[-\(\)\d\.\s/]+', 'html_input_type': 'tel'}),
-        ('phone-fr', {'title': N_('Phone Number (France)'), 'regex': '0[\d\.\s]{9}', 'html_input_type': 'tel'}),
+        ('phone-fr', {'title': N_('Phone Number (France)'), 'function': 'validate_phone_fr', 'html_input_type': 'tel'}),
         ('zipcode-fr', {'title': N_('Zip Code (France)'), 'regex': '\d{5}'}),
         ('siren-fr', {'title': N_('SIREN Code (France)'), 'function': 'validate_siren'}),
         ('siret-fr', {'title': N_('SIRET Code (France)'), 'function': 'validate_siret'}),
diff --git a/wcs/qommon/misc.py b/wcs/qommon/misc.py
index 25585905f..8b44c4664 100644
--- a/wcs/qommon/misc.py
+++ b/wcs/qommon/misc.py
@@ -705,6 +705,13 @@ def is_ascii_digit(string_value):
     return string_value and all((x in '0123456789' for x in string_value))
 
 
+def validate_phone_fr(string_value):
+    if not re.match(r'^0[\d\.\s]+$', string_value):
+        # leading zero, then digits, dots, or spaces
+        return False
+    return len([x for x in string_value if is_ascii_digit(x)]) == 10
+
+
 def validate_siren(string_value):
     return validate_luhn(string_value, length=9)