diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c
index 0b4a8b718f..ad27c573f9 100644
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -712,7 +712,8 @@ static int g2m_decode_frame(AVCodecContext *avctx, void *data,
             }
             c->tile_width  = bytestream2_get_be32(&bc);
             c->tile_height = bytestream2_get_be32(&bc);
-            if (!c->tile_width || !c->tile_height) {
+            if (!c->tile_width || !c->tile_height ||
+                ((c->tile_width | c->tile_height) & 0xF)) {
                 av_log(avctx, AV_LOG_ERROR,
                        "Invalid tile dimensions %dx%d\n",
                        c->tile_width, c->tile_height);