diff --git a/3d-viewer/3d_cache/sg/sg_node.cpp b/3d-viewer/3d_cache/sg/sg_node.cpp
index fe1efc0d35..3049ac6987 100644
--- a/3d-viewer/3d_cache/sg/sg_node.cpp
+++ b/3d-viewer/3d_cache/sg/sg_node.cpp
@@ -358,22 +358,19 @@ bool S3D::GetMatIndex( MATLIST& aList, SGNODE* aNode, int& aIndex )
 
 void S3D::INIT_SMATERIAL( SMATERIAL& aMaterial )
 {
-    memset( &aMaterial, 0, sizeof( aMaterial ) );
-    return;
+    aMaterial = {};
 }
 
 
 void S3D::INIT_SMESH( SMESH& aMesh )
 {
-    memset( &aMesh, 0, sizeof( aMesh ) );
-    return;
+    aMesh = {};
 }
 
 
 void S3D::INIT_S3DMODEL( S3DMODEL& aModel )
 {
-    memset( &aModel, 0, sizeof( aModel ) );
-    return;
+    aModel = {};
 }