diff --git a/src/idpyoidc/__init__.py b/src/idpyoidc/__init__.py
index cf0971e9..0b77ba88 100644
--- a/src/idpyoidc/__init__.py
+++ b/src/idpyoidc/__init__.py
@@ -1,5 +1,5 @@
 __author__ = "Roland Hedberg"
-__version__ = "4.0.0"
+__version__ = "4.1.0"
 
 VERIFIED_CLAIM_PREFIX = "__verified"
 
diff --git a/src/idpyoidc/client/claims/transform.py b/src/idpyoidc/client/claims/transform.py
index ac63b2c8..1ca40c6c 100644
--- a/src/idpyoidc/client/claims/transform.py
+++ b/src/idpyoidc/client/claims/transform.py
@@ -62,11 +62,16 @@ def supported_to_preferred(
                 _pref_val = preference.get(key)  # defined in configuration
                 _info_val = info.get(key)
                 if _info_val:
-                    # Only use provider setting if less or equal to what I support
-                    if key.endswith("supported"):  # list
-                        preference[key] = [x for x in _pref_val if x in _info_val]
+                    if isinstance(_info_val, bool):
+                        if _info_val is False and _pref_val is True:
+                            # Turn off support if server doesn't support
+                            preference[key] = _info_val
                     else:
-                        pass
+                        # Only use provider setting if less or equal to what I support
+                        if key.endswith("supported"):  # list
+                            preference[key] = [x for x in _pref_val if x in _info_val]
+                        else:
+                            pass
             elif val is None:  # No default, means the RP does not have a preference
                 # if key not in ['jwks_uri', 'jwks']:
                 pass