diff --git a/crates/servicepoint_binding_c/examples/lang_c/build.rs b/crates/servicepoint_binding_c/examples/lang_c/build.rs
index db090d4..4f92e1d 100644
--- a/crates/servicepoint_binding_c/examples/lang_c/build.rs
+++ b/crates/servicepoint_binding_c/examples/lang_c/build.rs
@@ -12,5 +12,6 @@ fn main() {
     let mut cc = cc::Build::new();
     cc.file("src/main.c");
     cc.include(&sp_include);
+    cc.opt_level(2);
     cc.compile("lang_c");
 }