Index: /trunk/ab5.0/ablib/src/system/gc.sbp
===================================================================
--- /trunk/ab5.0/ablib/src/system/gc.sbp	(revision 526)
+++ /trunk/ab5.0/ablib/src/system/gc.sbp	(revision 527)
@@ -87,5 +87,5 @@
 			MessageBox(0,temporary,"GetEnvironmentVariable",0)
 		Else
-			_System_pGC = _System_calloc( SizeOf( _System_CGarbageCollection ) )
+			_System_pGC = _System_calloc( __ClassSizeOf( _System_CGarbageCollection ) )
 			_System_pGC->Begin()