diff --git a/gfx/drivers/gdi_gfx.c b/gfx/drivers/gdi_gfx.c
index 524e970612..98069a4291 100644
--- a/gfx/drivers/gdi_gfx.c
+++ b/gfx/drivers/gdi_gfx.c
@@ -691,6 +691,26 @@ static uint32_t gdi_get_flags(void *data)
    return flags;
 }
 
+static void gdi_get_video_output_size(void *data,
+      unsigned *width, unsigned *height)
+{
+   win32_get_video_output_size(width, height);
+}
+
+static void gdi_get_video_output_prev(void *data)
+{
+   unsigned width  = 0;
+   unsigned height = 0;
+   win32_get_video_output_prev(&width, &height);
+}
+
+static void gdi_get_video_output_next(void *data)
+{
+   unsigned width  = 0;
+   unsigned height = 0;
+   win32_get_video_output_next(&width, &height);
+}
+
 static const video_poke_interface_t gdi_poke_interface = {
    gdi_get_flags,
    gdi_load_texture,
@@ -698,9 +718,9 @@ static const video_poke_interface_t gdi_poke_interface = {
    gdi_set_video_mode,
    win32_get_refresh_rate,
    NULL,
-   NULL,                         /* get_video_output_size */
-   NULL,                         /* get_video_output_prev */
-   NULL,                         /* get_video_output_next */
+   gdi_get_video_output_size,
+   gdi_get_video_output_prev,
+   gdi_get_video_output_next,
    NULL,
    NULL,
    NULL,