diff --git a/UM/Settings/DefinitionContainer.py b/UM/Settings/DefinitionContainer.py
index c1e6440fa..261cae82c 100644
--- a/UM/Settings/DefinitionContainer.py
+++ b/UM/Settings/DefinitionContainer.py
@@ -581,3 +581,6 @@ def __str__(self) -> str:
 
     def __repr__(self) -> str:
         return str(self)
+
+    def __hash__(self) -> int:
+        return hash(self.getId())
diff --git a/UM/Settings/SettingDefinition.py b/UM/Settings/SettingDefinition.py
index 69458b919..555f24ea2 100644
--- a/UM/Settings/SettingDefinition.py
+++ b/UM/Settings/SettingDefinition.py
@@ -153,7 +153,7 @@ def __setattr__(self, name: str, value: Any) -> None:
     def __hash__(self):
         """Ensure that the SettingDefinition is hashable, so it can be used in a set."""
 
-        return hash(str(self))
+        return hash((id(self), self._key, self._container))
 
     def __getstate__(self):
         """For Pickle support.
diff --git a/UM/Settings/SettingRelation.py b/UM/Settings/SettingRelation.py
index e6e1a579d..a574ffd74 100644
--- a/UM/Settings/SettingRelation.py
+++ b/UM/Settings/SettingRelation.py
@@ -43,10 +43,10 @@ def __init__(self, owner: SettingDefinition, target: SettingDefinition, relation
         self._type = relation_type
         self._role = role
 
-    def __hash__(self):
+    def __hash__(self) -> int:
         """Ensure that the SettingRelation is hashable, so it can be used in a set."""
 
-        return hash(str(self))
+        return hash((self._owner, self._target, self._type, self._role))
 
     @property
     def owner(self) -> SettingDefinition: