diff --git a/Img3D/Model/Model.cpp b/Img3D/Model/Model.cpp
index 1fde1b309abe4aab527507f37feb2e2734b5e9f3..719406e5838861469b740154e97d089e118b55a8 100644
--- a/Img3D/Model/Model.cpp
+++ b/Img3D/Model/Model.cpp
@@ -125,9 +125,9 @@ void Model::emplaceTransparentBody(PlottableBody* o)
 
 void Model::releaseGeometries()
 {
-    for (auto* o : m_objects)
+    for (PlottableBody* o : m_objects)
         o->releaseGeometry();
-    for (auto* o : m_transparentObjects)
+    for (PlottableBody* o : m_transparentObjects)
         o->releaseGeometry();
 }