Index: /trunk/src/VBox/Runtime/r3/win/localipc-win.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/win/localipc-win.cpp	(revision 55564)
+++ /trunk/src/VBox/Runtime/r3/win/localipc-win.cpp	(revision 55565)
@@ -353,5 +353,5 @@
     size_t cchName = strlen(pszName);
     size_t cbThis = RT_OFFSETOF(RTLOCALIPCSERVERINT, szName[cchName + sizeof(RTLOCALIPC_WIN_PREFIX)]);
-    PRTLOCALIPCSERVERINT pThis = (PRTLOCALIPCSERVERINT)RTMemAlloc(RT_ALIGN(cbThis, sizeof(void *)));
+    PRTLOCALIPCSERVERINT pThis = (PRTLOCALIPCSERVERINT)RTMemAllocVar(cbThis);
     if (!pThis)
         return VERR_NO_MEMORY;