diff --git a/CHANGES.rst b/CHANGES.rst
index 074095dfa..f6a7bf9ad 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,8 +5,9 @@ Changelog
 4.2.14 (unreleased)
 -------------------
 
-- Nothing changed yet.
-
+- Fixed an issue when `MeetingItem.proposingGroupWithGroupInCharge` is used in a `MeetingConfig`
+  but not in another one when an item is sent to it.
+  [aduchene]
 
 4.2.13 (2024-12-06)
 -------------------
diff --git a/src/Products/PloneMeeting/MeetingItem.py b/src/Products/PloneMeeting/MeetingItem.py
index 86253a2f5..6670177b4 100644
--- a/src/Products/PloneMeeting/MeetingItem.py
+++ b/src/Products/PloneMeeting/MeetingItem.py
@@ -3299,12 +3299,16 @@ def setProposingGroupWithGroupInCharge(self, value, **kwargs):
         field = self.getField('proposingGroupWithGroupInCharge')
         current_value = field.get(self, **kwargs)
         if not value == current_value:
-            # value may be empty if used on an itemTemplate
-            proposingGroup = groupInCharge = ''
+            proposingGroup = self.getProposingGroup()
+            groupsInCharge = self.getGroupsInCharge()
+            if self.isDefinedInTool(item_type='itemtemplate'):
+                # value may be empty if used on an itemTemplate
+                proposingGroup = groupsInCharge = ''
             if value:
-                proposingGroup, groupInCharge = value.split('__groupincharge__')
+                proposingGroup, groupsInCharge = value.split('__groupincharge__')
+                groupsInCharge = [groupsInCharge]
             self.setProposingGroup(proposingGroup)
-            self.setGroupsInCharge([groupInCharge])
+            self.setGroupsInCharge(groupsInCharge)
             field.set(self, value, **kwargs)
 
     def _adaptLinesValueToBeCompared(self, value):
diff --git a/src/Products/PloneMeeting/tests/testMeetingItem.py b/src/Products/PloneMeeting/tests/testMeetingItem.py
index 32b408b51..0dbda4b4f 100755
--- a/src/Products/PloneMeeting/tests/testMeetingItem.py
+++ b/src/Products/PloneMeeting/tests/testMeetingItem.py
@@ -324,6 +324,29 @@ def test_pm_ItemProposingGroupsWithGroupsInChargeVocabulary(self):
         self.assertEqual(item1.validate_proposingGroupWithGroupInCharge(wrong_value), required_msg)
         self.failIf(item1.validate_proposingGroupWithGroupInCharge(original_value))
 
+    def test_pm_ItemProposingGroupsWithGroupsInChargeSentToOtherMC(self):
+        '''Check MeetingItem.proposingGroupWithGroupInCharge when sent to another MC.'''
+        self.changeUser('siteadmin')
+        self._enableField('proposingGroupWithGroupInCharge')
+        org1 = self.create('organization', id='org1', title='Org 1', acronym='O1')
+        org1_uid = org1.UID()
+        cfg = self.meetingConfig
+        cfg2_id = self.meetingConfig2.getId()
+        cfg.setMeetingConfigsToCloneTo(
+            ({'meeting_config': '%s' % cfg2_id,
+              'trigger_workflow_transitions_until': NO_TRIGGER_WF_TRANSITION_UNTIL}, ))
+        cfg.setItemManualSentToOtherMCStates((self._stateMappingFor('itemcreated'), ))
+        self._select_organization(org1_uid)
+        self.developers.groups_in_charge = (org1_uid, )
+
+        item = self.create('MeetingItem')
+        developers_gic = '{0}__groupincharge__{1}'.format(self.developers_uid, org1_uid)
+        item.setProposingGroupWithGroupInCharge(developers_gic)
+        item.setOtherMeetingConfigsClonableTo((cfg2_id,))
+        item.cloneToOtherMeetingConfig(cfg2_id)
+        new_item = item.get_successor()
+        self.assertEqual(new_item.getProposingGroup(), self.developers_uid)
+
     def test_pm_CloneItemRemovesAnnotations(self):
         '''Annotations relative to item sent to other MC are correctly cleaned.'''
         # create a third meetingConfig with special characters in it's title