diff --git a/src-tauri/src/pattern/frequency_shifting.rs b/src-tauri/src/pattern/frequency_shifting.rs
index d2b73e9..0e7224f 100644
--- a/src-tauri/src/pattern/frequency_shifting.rs
+++ b/src-tauri/src/pattern/frequency_shifting.rs
@@ -1,9 +1,11 @@
 use rand::Rng;
 use serde::{Deserialize, Serialize};
+use serde_repr::{Deserialize_repr, Serialize_repr};
 
 use crate::fraction::Fraction;
 
-#[derive(Debug, Copy, Clone, Serialize, Deserialize)]
+#[derive(Debug, Copy, Clone, Serialize_repr, Deserialize_repr)]
+#[repr(u32)]
 pub enum FrequencyShifting {
     Linear,
     Quadratic,