diff --git a/build_system/build_sysroot.rs b/build_system/build_sysroot.rs
index 5e9967aae..ed8b5b906 100644
--- a/build_system/build_sysroot.rs
+++ b/build_system/build_sysroot.rs
@@ -271,7 +271,7 @@ fn build_clif_sysroot_for_triple(
     if channel == "release" {
         build_cmd.arg("--release");
     }
-    build_cmd.arg("--features").arg("backtrace panic-unwind");
+    build_cmd.arg("--features").arg("backtrace panic-unwind compiler-builtins-no-f16-f128");
     build_cmd.env("CARGO_PROFILE_RELEASE_DEBUG", "true");
     build_cmd.env("__CARGO_DEFAULT_LIB_METADATA", "cg_clif");
     if compiler.triple.contains("apple") {