diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs
index 493ad99cc705b63edfad62bad8cd32f7a5ad45a1..bf965fc2e33c6caee525bb02f5919c75db9bb5c7 100644
--- a/src/bootstrap/src/core/sanity.rs
+++ b/src/bootstrap/src/core/sanity.rs
@@ -35,6 +35,7 @@ pub struct Finder {
     // just a dummy comment so the list doesn't get onelined
     "aarch64-apple-visionos",
     "aarch64-apple-visionos-sim",
+    "i686-unknown-redox",
 ];
 
 impl Finder {
diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index bed76263b45163d720161434a07244d27e370e28..65ff30b4c2efbe2c41f8456e6f15f8d2d38ba476 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -102,6 +102,7 @@
     "i686-unknown-freebsd",
     "i686-unknown-linux-gnu",
     "i686-unknown-linux-musl",
+    "i686-unknown-redox",
     "i686-unknown-uefi",
     "loongarch64-unknown-linux-gnu",
     "loongarch64-unknown-none",