diff --git a/rust/build.rs b/rust/build.rs
index ef524547..80d3c2e3 100644
--- a/rust/build.rs
+++ b/rust/build.rs
@@ -2,7 +2,7 @@ use cmake::Config;
 
 fn main() -> miette::Result<()> {
     let mut cmake_config = Config::new("..");
-    let optimizer_backend = "casadi";
+    let optimizer_backend = "sleipnir";
 
     cmake_config
         .profile("RelWithDebInfo")