1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/frct.c b/src/lib/frct.c
index ff938aec..e9741aaf 100644
--- a/src/lib/frct.c
+++ b/src/lib/frct.c
@@ -667,6 +667,7 @@ static int __frcti_snd(struct frcti *       frcti,
         bool              rtx;
 
         assert(frcti);
+        assert(shm_du_buff_head(sdb) != shm_du_buff_tail(sdb));
 
         snd_cr = &frcti->snd_cr;
         rcv_cr = &frcti->rcv_cr;