diff --git a/reactos/subsystems/win32/win32k/objects/gdiobj.c b/reactos/subsystems/win32/win32k/objects/gdiobj.c
index 4200ad42f85..b2c171cb0e8 100644
--- a/reactos/subsystems/win32/win32k/objects/gdiobj.c
+++ b/reactos/subsystems/win32/win32k/objects/gdiobj.c
@@ -81,8 +81,9 @@ GDI_OBJ_INFO ObjInfo[] =
   {GDI_OBJECT_TYPE_DIRECTDRAW,  sizeof(DD_DIRECTDRAW), DD_Cleanup},
   {GDI_OBJECT_TYPE_DD_SURFACE,  sizeof(DD_SURFACE),    DDSURF_Cleanup},
   {GDI_OBJECT_TYPE_EXTPEN,      sizeof(GDIBRUSHOBJ),   EXTPEN_Cleanup},
-  {GDI_OBJECT_TYPE_METADC,      0,                     GDI_CleanupDummy},
-  {GDI_OBJECT_TYPE_METAFILE,    0,                     GDI_CleanupDummy},
+  /* FIXME do not use normal DC struct for this */
+  {GDI_OBJECT_TYPE_METADC,      sizeof(DC),             GDI_CleanupDummy},
+  {GDI_OBJECT_TYPE_METAFILE,    sizeof(DC),            GDI_CleanupDummy},
   {GDI_OBJECT_TYPE_ENHMETAFILE, 0,                     GDI_CleanupDummy},
   {GDI_OBJECT_TYPE_ENHMETADC,   0,                     GDI_CleanupDummy},
   {GDI_OBJECT_TYPE_MEMDC,       0,                     GDI_CleanupDummy},