diff --git a/src/stream/tcb.rs b/src/stream/tcb.rs
index e771123..4e2e281 100644
--- a/src/stream/tcb.rs
+++ b/src/stream/tcb.rs
@@ -190,7 +190,8 @@ impl Tcb {
             }
             self.inflight_packets.retain(|p| {
                 let last_byte = p.seq.wrapping_add(p.payload.len() as u32);
-                last_byte.saturating_sub(self.last_ack) > 0 && self.seq.saturating_sub(last_byte) > 0
+                last_byte.saturating_sub(self.last_ack) > 0
+                    && self.seq.saturating_sub(last_byte) > 0
             });
         }
     }