diff --git a/custom_components/aula/client.py b/custom_components/aula/client.py
index 634c268..f27e87a 100644
--- a/custom_components/aula/client.py
+++ b/custom_components/aula/client.py
@@ -34,6 +34,12 @@
 # schools that do not expose 0030 to guardians.
 MU_OPGAVER_WIDGETS = ("0030", "0023")
 
+# Widgets that can mint a token for the Min Uddannelse "ugebrev" endpoint,
+# in order of preference. 0029 is the dedicated "Ugenoter" widget; 0023
+# ("MinUddannelse - SSO") is accepted by the same endpoint and is available at
+# schools that do not expose 0029 to guardians.
+MU_UGEPLAN_WIDGETS = ("0029", "0023")
+
 # Widgets that can mint a token for the EasyIQ Ugeplan endpoint,
 # in order of preference.
 EASYIQ_WIDGETS = ("0001", "0128", "00142", "0142")
@@ -1058,23 +1064,27 @@ def mu_opgaver(week, thisnext):
 
             if len(self.widgets) == 0:
                 self.get_widgets()
+            mu_uge_widget = next(
+                (widget for widget in MU_UGEPLAN_WIDGETS if widget in self.widgets),
+                None,
+            )
             if (
-                "0029" not in self.widgets
+                mu_uge_widget is None
                 and "0004" not in self.widgets
                 and "0062" not in self.widgets
                 and not any(widget in self.widgets for widget in EASYIQ_WIDGETS)
             ):
                 _LOGGER.error(
-                    "You have enabled ugeplaner, but we cannot find any supported widgets (0029,0004,0062,EasyIQ) in Aula."
+                    "You have enabled ugeplaner, but we cannot find any supported widgets (0029,0023,0004,0062,EasyIQ) in Aula."
                 )
-            if "0029" in self.widgets and "0004" in self.widgets:
+            if mu_uge_widget is not None and "0004" in self.widgets:
                 _LOGGER.warning(
                     "Multiple sources for ugeplaner is untested and might cause problems."
                 )
 
             def ugeplan(week, thisnext):
-                if "0029" in self.widgets:
-                    token = self.get_token("0029")
+                if mu_uge_widget is not None:
+                    token = self.get_token(mu_uge_widget)
                     get_payload = (
                         "/ugebrev?assuranceLevel=2&childFilter="
                         + childUserIds
diff --git a/tests/test_mu_opgaver.py b/tests/test_mu_opgaver.py
index bf9b0bf..d3ffc0e 100644
--- a/tests/test_mu_opgaver.py
+++ b/tests/test_mu_opgaver.py
@@ -4,6 +4,7 @@
 
 from custom_components.aula.client import (
     MU_OPGAVER_WIDGETS,
+    MU_UGEPLAN_WIDGETS,
     EASYIQ_WIDGETS,
     decode_mu_deeplink,
     format_mu_opgaver,
@@ -43,6 +44,28 @@ def test_widget_selection__none_available():
     assert selected is None
 
 
+def test_ugeplan_widget_preference_order():
+    assert MU_UGEPLAN_WIDGETS == ("0029", "0023")
+
+
+def test_ugeplan_widget_selection__prefers_0029():
+    widgets = {"0023": "MinUddannelse - SSO", "0029": "MinUddannelse – Ugenoter"}
+    selected = next((w for w in MU_UGEPLAN_WIDGETS if w in widgets), None)
+    assert selected == "0029"
+
+
+def test_ugeplan_widget_selection__falls_back_to_0023():
+    widgets = {"0023": "MinUddannelse - SSO", "0072": "MU Elev - fravær"}
+    selected = next((w for w in MU_UGEPLAN_WIDGETS if w in widgets), None)
+    assert selected == "0023"
+
+
+def test_ugeplan_widget_selection__none_available():
+    widgets = {"0001": "EasyIQ"}
+    selected = next((w for w in MU_UGEPLAN_WIDGETS if w in widgets), None)
+    assert selected is None
+
+
 def test_easyiq_widget_preference_order():
     assert EASYIQ_WIDGETS == ("0001", "0128", "00142", "0142")