diff --git a/library/std/src/sys/net/connection/wasix.rs b/library/std/src/sys/net/connection/wasix.rs
index b60b79f25b9f0..fe49c8d0b72e8 100644
--- a/library/std/src/sys/net/connection/wasix.rs
+++ b/library/std/src/sys/net/connection/wasix.rs
@@ -298,7 +298,7 @@ impl Socket {
             );
             match self.recv(slice) {
                 Ok(n) => {
-                    buf.advance(n);
+                    buf.advance_unchecked(n);
                     Ok(())
                 }
                 Err(e) => Err(e),