diff --git a/build_system/src/build.rs b/build_system/src/build.rs
index 8d9518653c5..3f88945767d 100644
--- a/build_system/src/build.rs
+++ b/build_system/src/build.rs
@@ -148,7 +148,7 @@ pub fn build_sysroot(env: &HashMap<String, String>, config: &ConfigInfo) -> Resu
         &"--target",
         &config.target,
         &"--features",
-        &"compiler-builtins-no-f16-f128",
+        &"std/compiler-builtins-no-f16-f128",
     ];
 
     if config.no_default_features {