diff --git a/cores/libretro-gong/gong.c b/cores/libretro-gong/gong.c
index 07ff168050..56e74f5208 100644
--- a/cores/libretro-gong/gong.c
+++ b/cores/libretro-gong/gong.c
@@ -386,7 +386,7 @@ void GONG_CORE_PREFIX(retro_init)(void)
    else
       GONG_CORE_PREFIX(log_cb) = NULL;
 
-   video_buf = (unsigned char*)calloc(1, WIDTH * HEIGHT * sizeof(unsigned char));
+   video_buf = (unsigned char*)calloc(1, WIDTH * HEIGHT * sizeof(unsigned));
 
    game_buffer.width  = WIDTH;
    game_buffer.height = HEIGHT;