diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index 6e8de59..c47a7b8 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/GeomDB.cpp b/GeomDB.cpp
index fd300d2..c2b7ef7 100644
--- a/GeomDB.cpp
+++ b/GeomDB.cpp
@@ -38,16 +38,17 @@ using namespace std ;
 class LockAddErase
 {
    public :
-      LockAddErase( atomic_flag& bAddEraseOn, bool bUse = true): m_bAddEraseOn( bAddEraseOn), m_bUse( bUse)
+      LockAddErase( atomic_flag& bAddEraseOn, bool bUse = true)
+         : m_bAddEraseOn( bAddEraseOn), m_bUse( bUse)
          {  if ( ! m_bUse) return ;
-            while ( m_bAddEraseOn.test_and_set()) {
+            while ( m_bAddEraseOn.test_and_set( memory_order_acquire)) {
                this_thread::sleep_for( chrono::nanoseconds{ 1}) ;
             }
          } ;
 
       ~LockAddErase( void)
          {  if ( ! m_bUse) return ;
-            m_bAddEraseOn.clear() ;
+            m_bAddEraseOn.clear( memory_order_release) ;
          } ;
 
    private :