diff --git a/360/xdk360_input.cpp b/360/xdk360_input.cpp
index b9fa2f2654..3a2be75aba 100644
--- a/360/xdk360_input.cpp
+++ b/360/xdk360_input.cpp
@@ -27,7 +27,7 @@ static XINPUT_STATE state[4];
 static void xdk360_input_poll(void *data)
 {
    (void)data;
-   ZeroMemory(&state, sizeof(XINPUT_STATE));
+   memset(&state, 0, sizeof(XINPUT_STATE));
 
    for (unsigned i = 0; i < 4; i++)
       XInputGetState(i, &state[i]);
diff --git a/360/xdk360_video.cpp b/360/xdk360_video.cpp
index e2c9cfadf3..8958c14b23 100644
--- a/360/xdk360_video.cpp
+++ b/360/xdk360_video.cpp
@@ -107,7 +107,7 @@ static void *xdk360_gfx_init(const video_info_t *video, const input_driver_t **i
       return NULL;
    }
 
-   ZeroMemory(&vid->d3dpp, sizeof(vid->d3dpp));
+   memset(&vid->d3dpp, 0, sizeof(vid->d3dpp));
 
    vid->d3dpp.BackBufferWidth         = 1280;
    vid->d3dpp.BackBufferHeight        = 720;