diff --git a/doc/classes/EditorSpatialGizmo.xml b/doc/classes/EditorSpatialGizmo.xml
index 85a7e66a0c5..9f90d76c79a 100644
--- a/doc/classes/EditorSpatialGizmo.xml
+++ b/doc/classes/EditorSpatialGizmo.xml
@@ -46,7 +46,7 @@
 		</method>
 		<method name="add_mesh">
 			<return type="void" />
-			<argument index="0" name="mesh" type="ArrayMesh" />
+			<argument index="0" name="mesh" type="Mesh" />
 			<argument index="1" name="billboard" type="bool" default="false" />
 			<argument index="2" name="skeleton" type="SkinReference" default="null" />
 			<argument index="3" name="material" type="Material" default="null" />
diff --git a/editor/plugins/spatial_editor_plugin.h b/editor/plugins/spatial_editor_plugin.h
index bba6d68d87a..493dc857a42 100644
--- a/editor/plugins/spatial_editor_plugin.h
+++ b/editor/plugins/spatial_editor_plugin.h
@@ -57,7 +57,7 @@ public:
 
 	struct Instance {
 		RID instance;
-		Ref<ArrayMesh> mesh;
+		Ref<Mesh> mesh;
 		Ref<Material> material;
 		Ref<SkinReference> skin_reference;
 		RID skeleton;
@@ -103,7 +103,7 @@ protected:
 public:
 	void add_lines(const Vector<Vector3> &p_lines, const Ref<Material> &p_material, bool p_billboard = false, const Color &p_modulate = Color(1, 1, 1));
 	void add_vertices(const Vector<Vector3> &p_vertices, const Ref<Material> &p_material, Mesh::PrimitiveType p_primitive_type, bool p_billboard = false, const Color &p_modulate = Color(1, 1, 1));
-	void add_mesh(const Ref<ArrayMesh> &p_mesh, bool p_billboard = false, const Ref<SkinReference> &p_skin_reference = Ref<SkinReference>(), const Ref<Material> &p_material = Ref<Material>());
+	void add_mesh(const Ref<Mesh> &p_mesh, bool p_billboard = false, const Ref<SkinReference> &p_skin_reference = Ref<SkinReference>(), const Ref<Material> &p_material = Ref<Material>());
 	void add_collision_segments(const Vector<Vector3> &p_lines);
 	void add_collision_triangles(const Ref<TriangleMesh> &p_tmesh);
 	void add_unscaled_billboard(const Ref<Material> &p_material, float p_scale = 1, const Color &p_modulate = Color(1, 1, 1));
diff --git a/editor/spatial_editor_gizmos.cpp b/editor/spatial_editor_gizmos.cpp
index cf2f4c5e092..7d7654dfc83 100644
--- a/editor/spatial_editor_gizmos.cpp
+++ b/editor/spatial_editor_gizmos.cpp
@@ -179,8 +179,10 @@ void EditorSpatialGizmo::Instance::create_instance(Spatial *p_base, bool p_hidde
 	VS::get_singleton()->instance_set_layer_mask(instance, layer); //gizmos are 26
 }
 
-void EditorSpatialGizmo::add_mesh(const Ref<ArrayMesh> &p_mesh, bool p_billboard, const Ref<SkinReference> &p_skin_reference, const Ref<Material> &p_material) {
+void EditorSpatialGizmo::add_mesh(const Ref<Mesh> &p_mesh, bool p_billboard, const Ref<SkinReference> &p_skin_reference, const Ref<Material> &p_material) {
 	ERR_FAIL_COND(!spatial_node);
+	ERR_FAIL_COND_MSG(!p_mesh.is_valid(), "EditorSpatialGizmo.add_mesh() requires a valid Mesh resource.");
+
 	Instance ins;
 
 	ins.billboard = p_billboard;