diff --git a/source/blender/editors/space_outliner/tree/tree_element_defgroup.cc b/source/blender/editors/space_outliner/tree/tree_element_defgroup.cc
index 298bce79f87..3ca0ebc5ab8 100644
--- a/source/blender/editors/space_outliner/tree/tree_element_defgroup.cc
+++ b/source/blender/editors/space_outliner/tree/tree_element_defgroup.cc
@@ -22,6 +22,7 @@ namespace blender::ed::outliner {
 TreeElementDeformGroupBase::TreeElementDeformGroupBase(TreeElement &legacy_te, Object &object)
     : AbstractTreeElement(legacy_te), object_(object)
 {
+  BLI_assert(legacy_te.store_elem->type == TSE_DEFGROUP_BASE);
   legacy_te.name = IFACE_("Vertex Groups");
 }
 
@@ -44,6 +45,7 @@ TreeElementDeformGroup::TreeElementDeformGroup(TreeElement &legacy_te,
                                                bDeformGroup &defgroup)
     : AbstractTreeElement(legacy_te), /* object_(object), */ defgroup_(defgroup)
 {
+  BLI_assert(legacy_te.store_elem->type == TSE_DEFGROUP);
   legacy_te.name = defgroup_.name;
   legacy_te.directdata = &defgroup_;
 }
diff --git a/source/blender/editors/space_outliner/tree/tree_element_edit_bone.cc b/source/blender/editors/space_outliner/tree/tree_element_edit_bone.cc
index db3869edeb7..155d71acfb9 100644
--- a/source/blender/editors/space_outliner/tree/tree_element_edit_bone.cc
+++ b/source/blender/editors/space_outliner/tree/tree_element_edit_bone.cc
@@ -8,6 +8,8 @@
 
 #include "BKE_armature.h"
 
+#include "DNA_outliner_types.h"
+
 #include "../outliner_intern.hh"
 
 #include "tree_element_edit_bone.hh"
@@ -19,6 +21,7 @@ TreeElementEditBone::TreeElementEditBone(TreeElement &legacy_te,
                                          EditBone &ebone)
     : AbstractTreeElement(legacy_te) /*, armature_id_(armature_id)*/, ebone_(ebone)
 {
+  BLI_assert(legacy_te.store_elem->type == TSE_EBONE);
   legacy_te.directdata = &ebone_;
   legacy_te.name = ebone_.name;
 }
diff --git a/source/blender/editors/space_outliner/tree/tree_element_gpencil_effect.cc b/source/blender/editors/space_outliner/tree/tree_element_gpencil_effect.cc
index 21593cdc21b..c1a9b35865d 100644
--- a/source/blender/editors/space_outliner/tree/tree_element_gpencil_effect.cc
+++ b/source/blender/editors/space_outliner/tree/tree_element_gpencil_effect.cc
@@ -23,6 +23,7 @@ namespace blender::ed::outliner {
 TreeElementGPencilEffectBase::TreeElementGPencilEffectBase(TreeElement &legacy_te, Object &object)
     : AbstractTreeElement(legacy_te), object_(object)
 {
+  BLI_assert(legacy_te.store_elem->type == TSE_GPENCIL_EFFECT_BASE);
   legacy_te.name = IFACE_("Effects");
 }
 
@@ -40,6 +41,7 @@ TreeElementGPencilEffect::TreeElementGPencilEffect(TreeElement &legacy_te,
                                                    ShaderFxData &fx)
     : AbstractTreeElement(legacy_te), /* object_(object), */ fx_(fx)
 {
+  BLI_assert(legacy_te.store_elem->type == TSE_GPENCIL_EFFECT);
   legacy_te.name = fx_.name;
   legacy_te.directdata = &fx_;
 }
diff --git a/source/blender/editors/space_outliner/tree/tree_element_particle_system.cc b/source/blender/editors/space_outliner/tree/tree_element_particle_system.cc
index ef62df90e8f..57374cee5f9 100644
--- a/source/blender/editors/space_outliner/tree/tree_element_particle_system.cc
+++ b/source/blender/editors/space_outliner/tree/tree_element_particle_system.cc
@@ -6,6 +6,7 @@
  * \ingroup spoutliner
  */
 
+#include "DNA_outliner_types.h"
 #include "DNA_particle_types.h"
 
 #include "../outliner_intern.hh"
@@ -19,6 +20,7 @@ TreeElementParticleSystem::TreeElementParticleSystem(TreeElement &legacy_te,
                                                      ParticleSystem &psys)
     : AbstractTreeElement(legacy_te), /* object_(object), */ psys_(psys)
 {
+  BLI_assert(legacy_te.store_elem->type == TSE_LINKED_PSYS);
   legacy_te.directdata = &psys_;
   legacy_te.name = psys_.part->id.name + 2;
 }