diff --git a/miplearn/components/dynamic_lazy.py b/miplearn/components/dynamic_lazy.py
index a9145ec..9110524 100644
--- a/miplearn/components/dynamic_lazy.py
+++ b/miplearn/components/dynamic_lazy.py
@@ -36,7 +36,7 @@ class DynamicLazyConstraintsComponent(Component):
         self.dynamic: DynamicConstraintsComponent = DynamicConstraintsComponent(
             classifier=classifier,
             threshold=threshold,
-            attr="lazy_enforced",
+            attr="mip_constr_lazy_enforced",
         )
         self.classifiers = self.dynamic.classifiers
         self.thresholds = self.dynamic.thresholds
@@ -78,7 +78,7 @@ class DynamicLazyConstraintsComponent(Component):
         stats: LearningSolveStats,
         sample: Sample,
     ) -> None:
-        sample.put_set("lazy_enforced", set(self.lazy_enforced))
+        sample.put_set("mip_constr_lazy_enforced", set(self.lazy_enforced))
 
     @overrides
     def iteration_cb(
diff --git a/miplearn/components/dynamic_user_cuts.py b/miplearn/components/dynamic_user_cuts.py
index b60cc44..5f69b04 100644
--- a/miplearn/components/dynamic_user_cuts.py
+++ b/miplearn/components/dynamic_user_cuts.py
@@ -32,7 +32,7 @@ class UserCutsComponent(Component):
         self.dynamic = DynamicConstraintsComponent(
             classifier=classifier,
             threshold=threshold,
-            attr="user_cuts_enforced",
+            attr="mip_user_cuts_enforced",
         )
         self.enforced: Set[str] = set()
         self.n_added_in_callback = 0
@@ -87,7 +87,7 @@ class UserCutsComponent(Component):
         stats: LearningSolveStats,
         sample: Sample,
     ) -> None:
-        sample.put_set("user_cuts_enforced", set(self.enforced))
+        sample.put_set("mip_user_cuts_enforced", set(self.enforced))
         stats["UserCuts: Added in callback"] = self.n_added_in_callback
         if self.n_added_in_callback > 0:
             logger.info(f"{self.n_added_in_callback} user cuts added in callback")
diff --git a/miplearn/components/static_lazy.py b/miplearn/components/static_lazy.py
index 99aba1c..53a7a7d 100644
--- a/miplearn/components/static_lazy.py
+++ b/miplearn/components/static_lazy.py
@@ -61,7 +61,7 @@ class StaticLazyConstraintsComponent(Component):
         stats: LearningSolveStats,
         sample: Sample,
     ) -> None:
-        sample.put_set("lazy_enforced", self.enforced_cids)
+        sample.put_set("mip_constr_lazy_enforced", self.enforced_cids)
         stats["LazyStatic: Restored"] = self.n_restored
         stats["LazyStatic: Iterations"] = self.n_iterations
 
@@ -209,7 +209,7 @@ class StaticLazyConstraintsComponent(Component):
         constr_names = sample.get_vector("static_constr_names")
         constr_categories = sample.get_vector("static_constr_categories")
         constr_lazy = sample.get_vector("static_constr_lazy")
-        lazy_enforced = sample.get_set("lazy_enforced")
+        lazy_enforced = sample.get_set("mip_constr_lazy_enforced")
         if constr_features is None:
             constr_features = sample.get_vector_list("static_constr_features")
 
diff --git a/tests/components/test_dynamic_lazy.py b/tests/components/test_dynamic_lazy.py
index 037b904..cec993e 100644
--- a/tests/components/test_dynamic_lazy.py
+++ b/tests/components/test_dynamic_lazy.py
@@ -24,13 +24,13 @@ def training_instances() -> List[Instance]:
     samples_0 = [
         MemorySample(
             {
-                "lazy_enforced": {"c1", "c2"},
+                "mip_constr_lazy_enforced": {"c1", "c2"},
                 "static_instance_features": [5.0],
             },
         ),
         MemorySample(
             {
-                "lazy_enforced": {"c2", "c3"},
+                "mip_constr_lazy_enforced": {"c2", "c3"},
                 "static_instance_features": [5.0],
             },
         ),
@@ -55,7 +55,7 @@ def training_instances() -> List[Instance]:
     samples_1 = [
         MemorySample(
             {
-                "lazy_enforced": {"c3", "c4"},
+                "mip_constr_lazy_enforced": {"c3", "c4"},
                 "static_instance_features": [8.0],
             },
         )
diff --git a/tests/components/test_dynamic_user_cuts.py b/tests/components/test_dynamic_user_cuts.py
index cfb76c0..44205a6 100644
--- a/tests/components/test_dynamic_user_cuts.py
+++ b/tests/components/test_dynamic_user_cuts.py
@@ -81,7 +81,7 @@ def test_usage(
 ) -> None:
     stats_before = solver.solve(stab_instance)
     sample = stab_instance.get_samples()[0]
-    user_cuts_enforced = sample.get_set("user_cuts_enforced")
+    user_cuts_enforced = sample.get_set("mip_user_cuts_enforced")
     assert user_cuts_enforced is not None
     assert len(user_cuts_enforced) > 0
     assert stats_before["UserCuts: Added ahead-of-time"] == 0
diff --git a/tests/components/test_static_lazy.py b/tests/components/test_static_lazy.py
index 6ef4ec9..385c7cc 100644
--- a/tests/components/test_static_lazy.py
+++ b/tests/components/test_static_lazy.py
@@ -34,7 +34,7 @@ def sample() -> Sample:
             "static_constr_lazy": [True, True, True, True, False],
             "static_constr_names": ["c1", "c2", "c3", "c4", "c5"],
             "static_instance_features": [5.0],
-            "lazy_enforced": {"c1", "c2", "c4"},
+            "mip_constr_lazy_enforced": {"c1", "c2", "c4"},
             "lp_constr_features": [
                 [1.0, 1.0],
                 [1.0, 2.0],
@@ -93,7 +93,7 @@ def test_usage_with_solver(instance: Instance) -> None:
 
     stats: LearningSolveStats = {}
     sample = instance.get_samples()[0]
-    assert sample.get_set("lazy_enforced") is not None
+    assert sample.get_set("mip_constr_lazy_enforced") is not None
 
     # LearningSolver calls before_solve_mip
     component.before_solve_mip(
@@ -142,7 +142,7 @@ def test_usage_with_solver(instance: Instance) -> None:
     )
 
     # Should update training sample
-    assert sample.get_set("lazy_enforced") == {"c1", "c2", "c3", "c4"}
+    assert sample.get_set("mip_constr_lazy_enforced") == {"c1", "c2", "c3", "c4"}
     #
     # Should update stats
     assert stats["LazyStatic: Removed"] == 1
diff --git a/tests/problems/test_tsp.py b/tests/problems/test_tsp.py
index 894fb57..48c9931 100644
--- a/tests/problems/test_tsp.py
+++ b/tests/problems/test_tsp.py
@@ -65,7 +65,7 @@ def test_subtour() -> None:
     samples = instance.get_samples()
     assert len(samples) == 1
     sample = samples[0]
-    lazy_enforced = sample.get_set("lazy_enforced")
+    lazy_enforced = sample.get_set("mip_constr_lazy_enforced")
     assert lazy_enforced is not None
     assert len(lazy_enforced) > 0
     assert sample.get_vector("mip_var_values") == [