diff --git a/libavcodec/rawdec.c b/libavcodec/rawdec.c
index 193a88fd33..f78190ea01 100644
--- a/libavcodec/rawdec.c
+++ b/libavcodec/rawdec.c
@@ -383,8 +383,13 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
     }
 
     if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
+        int pal_size;
         const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE,
-                                                     NULL);
+                                                     &pal_size);
+        if (pal_size != AVPALETTE_SIZE) {
+            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
+            pal = NULL;
+        }
 
         if (pal) {
             av_buffer_unref(&context->palette);