diff --git a/build/cli/src/main.rs b/build/cli/src/main.rs
index 3aa394c3f..1f71afa9a 100644
--- a/build/cli/src/main.rs
+++ b/build/cli/src/main.rs
@@ -44,7 +44,8 @@ fn main() -> ExitCode {
     let shared_lib_path = match OS {
         "windows" => exe_dir.join("bin/libribasim.dll"),
         "linux" => exe_dir.join("lib/libribasim.so"),
-        _ => unimplemented!(),
+        "macos" => exe_dir.join("lib/libribasim.dylib"),
+        _ => unimplemented!("Your OS is not supported yet."),
     };
     unsafe {
         // Load the library