diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c
index 09da7665b8..e4bde2afd1 100644
--- a/libavcodec/g723_1.c
+++ b/libavcodec/g723_1.c
@@ -2285,7 +2285,8 @@ static int pack_bitstream(G723_1_Context *p, unsigned char *frame, int size)
     if (p->cur_rate == RATE_6300) {
         info_bits = 0;
         put_bits(&pb, 2, info_bits);
-    }
+    }else
+        av_assert0(0);
 
     put_bits(&pb, 8, p->lsp_index[2]);
     put_bits(&pb, 8, p->lsp_index[1]);