diff --git a/servers/rendering/dummy/storage/mesh_storage.h b/servers/rendering/dummy/storage/mesh_storage.h
index a660a54445..0871c91ade 100644
--- a/servers/rendering/dummy/storage/mesh_storage.h
+++ b/servers/rendering/dummy/storage/mesh_storage.h
@@ -69,7 +69,11 @@ public:
 	virtual void mesh_initialize(RID p_rid) override;
 	virtual void mesh_free(RID p_rid) override;
 
-	virtual void mesh_set_blend_shape_count(RID p_mesh, int p_blend_shape_count) override {}
+	virtual void mesh_set_blend_shape_count(RID p_mesh, int p_blend_shape_count) override {
+		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL(m);
+		m->blend_shape_count = p_blend_shape_count;
+	}
 	virtual bool mesh_needs_instance(RID p_mesh, bool p_has_skeleton) override { return false; }
 
 	virtual void mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) override {
@@ -95,10 +99,23 @@ public:
 		m->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_MESH);
 	}
 
-	virtual int mesh_get_blend_shape_count(RID p_mesh) const override { return 0; }
+	virtual int mesh_get_blend_shape_count(RID p_mesh) const override {
+		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL_V(m, 0);
+		return m->blend_shape_count;
+	}
 
-	virtual void mesh_set_blend_shape_mode(RID p_mesh, RS::BlendShapeMode p_mode) override {}
-	virtual RS::BlendShapeMode mesh_get_blend_shape_mode(RID p_mesh) const override { return RS::BLEND_SHAPE_MODE_NORMALIZED; }
+	virtual void mesh_set_blend_shape_mode(RID p_mesh, RS::BlendShapeMode p_mode) override {
+		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL(m);
+		m->blend_shape_mode = p_mode;
+	}
+
+	virtual RS::BlendShapeMode mesh_get_blend_shape_mode(RID p_mesh) const override {
+		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
+		ERR_FAIL_NULL_V(m, RS::BLEND_SHAPE_MODE_NORMALIZED);
+		return m->blend_shape_mode;
+	}
 
 	virtual void mesh_surface_update_vertex_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override {}
 	virtual void mesh_surface_update_attribute_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override {}