diff --git a/src/PrsMgr/PrsMgr_Presentation3d.cxx b/src/PrsMgr/PrsMgr_Presentation3d.cxx
index 6eb71b0fd1..b3f5f92a1f 100755
--- a/src/PrsMgr/PrsMgr_Presentation3d.cxx
+++ b/src/PrsMgr/PrsMgr_Presentation3d.cxx
@@ -72,6 +72,7 @@ void PrsMgr_Presentation3d::Erase ()
 {
   // Erase structure from structure manager
   myStructure->Erase();
+  myStructure->Clear();
   // Disconnect other structures
   myStructure->DisconnectAll (Graphic3d_TOC_DESCENDANT);
   // Clear groups and remove graphic structure