diff --git a/pallets/node-authorization/src/lib.rs b/pallets/node-authorization/src/lib.rs
index 27f6c11f..6eeff230 100644
--- a/pallets/node-authorization/src/lib.rs
+++ b/pallets/node-authorization/src/lib.rs
@@ -150,6 +150,7 @@ pub mod pallet {
 	}
 
 	#[pallet::error]
+	#[derive(PartialEq)]
 	pub enum Error<T> {
 		/// The Node identifier is too long.
 		NodeIdTooLong,
diff --git a/pallets/node-authorization/src/tests.rs b/pallets/node-authorization/src/tests.rs
index 5ceb1dc7..24af33ae 100644
--- a/pallets/node-authorization/src/tests.rs
+++ b/pallets/node-authorization/src/tests.rs
@@ -22,7 +22,7 @@
 
 use super::*;
 use crate::mock::*;
-use frame_support::{assert_noop, assert_ok};
+use frame_support::{assert_err, assert_noop, assert_ok};
 use sp_runtime::traits::BadOrigin;
 
 #[test]
@@ -453,3 +453,9 @@ fn adding_already_connected_connection_should_fail() {
 		);
 	});
 }
+
+#[test]
+fn test_generate_peer_id_invalid_utf8() {
+	let invalid_node_id: NodeId = vec![0xFF, 0xFE, 0xFD];
+	assert_err!(NodeAuthorization::generate_peer_id(&invalid_node_id), Error::<Test>::InvalidUtf8);
+}