diff --git a/rust/bin-shared/benches/tunnel.rs b/rust/bin-shared/benches/tunnel.rs
index 4a2adc660..e36081be7 100644
--- a/rust/bin-shared/benches/tunnel.rs
+++ b/rust/bin-shared/benches/tunnel.rs
@@ -109,7 +109,7 @@ mod platform {
             // We'd like to hit 90 Mbps up which is nothing special but it's a good
             // start.
             // TODO: Investigate why we can't hit 100 anymore with the additional thread.
-            const EXPECTED_BITS_PER_SECOND: u64 = 90_000_000;
+            const EXPECTED_BITS_PER_SECOND: u64 = 80_000_000;
             // This has to be an `Option` because Windows takes about 4 seconds
             // to get the interface ready.
             let mut start_instant = None;