diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f95b35d83fc1a2e84622bce2a679ffffb56300b5..4efa2886ee06a6f0ab1d8da9bb3f160444d153b8 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -553,7 +553,8 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po,
 			msec = 1;
 			div = ecmd.base.speed / 1000;
 		}
-	}
+	} else
+		return DEFAULT_PRB_RETIRE_TOV;
 
 	mbits = (blk_size_in_bytes * 8) / (1024 * 1024);