diff --git a/reactos/drivers/video/miniport/vbe/vbemp.c b/reactos/drivers/video/miniport/vbe/vbemp.c
index 2b8e800a60f..b559bc3b4e9 100644
--- a/reactos/drivers/video/miniport/vbe/vbemp.c
+++ b/reactos/drivers/video/miniport/vbe/vbemp.c
@@ -34,6 +34,7 @@ DriverEntry(IN PVOID Context1, IN PVOID Context2)
    VIDEO_HW_INITIALIZATION_DATA InitData;
 
    VideoPortZeroMemory(&InitData, sizeof(InitData));
+   InitData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
    InitData.HwFindAdapter = VBEFindAdapter;
    InitData.HwInitialize = VBEInitialize;
    InitData.HwStartIO = VBEStartIO;