diff --git a/crates/platform/src/objc.rs b/crates/platform/src/objc.rs
index 41c7442..916d739 100644
--- a/crates/platform/src/objc.rs
+++ b/crates/platform/src/objc.rs
@@ -300,10 +300,10 @@ pub fn msg_send_fn() -> unsafe extern "C" fn() {
 macro_rules! msg_send {
     // No arguments: msg_send![receiver, selector]
     [$receiver:expr, $sel:ident] => {{
-        let sel = $crate::objc::Sel::register(concat!(stringify!($sel), "\0").as_bytes()
-            .split_last().map(|(_, s)| unsafe { std::ffi::CStr::from_bytes_with_nul_unchecked(
-                std::slice::from_raw_parts(s.as_ptr(), s.len() + 1)
-            ) }).unwrap());
+        let sel_name = concat!(stringify!($sel), "\0");
+        let sel = $crate::objc::Sel::register(unsafe {
+            std::ffi::CStr::from_bytes_with_nul_unchecked(sel_name.as_bytes())
+        });
         let func: unsafe extern "C" fn(*mut std::os::raw::c_void, *mut std::os::raw::c_void) -> _
             = unsafe { std::mem::transmute($crate::objc::msg_send_fn()) };
         unsafe { func($receiver as *mut std::os::raw::c_void, sel.as_ptr() as *mut std::os::raw::c_void) }