1 files changed, 2 insertions, 2 deletions
diff --git a/src/client/ObjectModel.cpp b/src/client/ObjectModel.cpp
index ff7ab88b..b1a27590 100644
--- a/src/client/ObjectModel.cpp
+++ b/src/client/ObjectModel.cpp
@@ -81,7 +81,7 @@ ObjectModel::polyphonic() const
  * `o` as correct.  The paths of the two models MUST be equal.
  */
 void
-ObjectModel::set(SPtr<ObjectModel> o)
+ObjectModel::set(const SPtr<ObjectModel>& o)
 {
 	assert(_path == o->path());
 	if (o->_parent) {
@@ -104,7 +104,7 @@ ObjectModel::set_path(const Raul::Path& p)
 }
 
 void
-ObjectModel::set_parent(SPtr<ObjectModel> p)
+ObjectModel::set_parent(const SPtr<ObjectModel>& p)
 {
 	assert(_path.is_child_of(p->path()));
 	_parent = p;