diff --git a/bindings/rust/src/unicorn_const.rs b/bindings/rust/src/unicorn_const.rs
index 6a72b784..c9c5f6b9 100644
--- a/bindings/rust/src/unicorn_const.rs
+++ b/bindings/rust/src/unicorn_const.rs
@@ -167,6 +167,7 @@ impl TryFrom<usize> for Arch {
 }
 
 bitflags! {
+    #[derive(Copy, Clone)]
     #[repr(C)]
     pub struct Mode: i32 {
         const LITTLE_ENDIAN = 0;