diff --git a/test/general/TestItems.py b/test/general/TestItems.py
index cee95b71..c962d572 100644
--- a/test/general/TestItems.py
+++ b/test/general/TestItems.py
@@ -33,6 +33,14 @@ class TestBase(unittest.TestCase):
                             for item in items:
                                 self.assertIn(item, world_type.item_name_to_id)
 
+    def testItemNameGroupConflict(self):
+        """Test that all item name groups aren't also item names."""
+        for game_name, world_type in AutoWorldRegister.world_types.items():
+            with self.subTest(game_name, game_name=game_name):
+                for group_name in world_type.item_name_groups:
+                    with self.subTest(group_name, group_name=group_name):
+                        self.assertNotIn(group_name, world_type.item_name_to_id)
+
     def testItemCountGreaterEqualLocations(self):
         for game_name, world_type in AutoWorldRegister.world_types.items():
 
diff --git a/worlds/hk/Items.py b/worlds/hk/Items.py
index 701a6495..a9acbf48 100644
--- a/worlds/hk/Items.py
+++ b/worlds/hk/Items.py
@@ -26,7 +26,7 @@ item_name_groups = {group: lookup_type_to_names[group] for group in ("Skill", "C
 directionals = ('', 'Left_', 'Right_')
 
 item_name_groups.update({
-    "Dreamer": {"Herrah", "Monomon", "Lurien"},
+    "Dreamers": {"Herrah", "Monomon", "Lurien"},
     "Cloak": {x + 'Mothwing_Cloak' for x in directionals} | {'Shade_Cloak', 'Split_Shade_Cloak'},
     "Claw": {x + 'Mantis_Claw' for x in directionals},
     "CDash": {x + 'Crystal_Heart' for x in directionals},