diff --git a/src/repacketizer.c b/src/repacketizer.c
index c56f92670883878890a4a25b713efa0315fd0a8e..c02b0bef3975eff9c7be241b3037028b89782d31 100644
--- a/src/repacketizer.c
+++ b/src/repacketizer.c
@@ -92,6 +92,7 @@ static int opus_repacketizer_cat_impl(OpusRepacketizer *rp, const unsigned char
    {
       rp->nb_frames++;
       rp->padding_len[rp->nb_frames] = 0;
+      rp->paddings[rp->nb_frames] = NULL;
       curr_nb_frames--;
    }
    rp->nb_frames++;