diff --git a/src/Model.cpp b/src/Model.cpp
index f7a7a2e55e..4232b20f0c 100644
--- a/src/Model.cpp
+++ b/src/Model.cpp
@@ -760,12 +760,16 @@ void Model::SetSecondsIntoAnimation( float fSeconds )
 
 bool Model::MaterialsNeedNormals() const
 {
+#ifdef MACOSX
 	for (msMaterial const &m : m_Materials)
 	{
 		if( m.NeedsNormals() )
 			return true;
 	}
 	return false;
+#else
+	return std::any_of(m_Materials.begin(), m_Materials.end(), [](msMaterial const &m) { return m.NeedsNormals(); });
+#endif
 }
 
 // lua start