diff --git a/lib/src/utils/controller.rs b/lib/src/utils/controller.rs
index ae4eb7f8..56e7e144 100644
--- a/lib/src/utils/controller.rs
+++ b/lib/src/utils/controller.rs
@@ -14,8 +14,9 @@ use simplelog::*;
 use crate::utils::Media;
 
 /// Defined process units.
-#[derive(Clone, Debug, Copy, Eq, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Default, Copy, Eq, Serialize, Deserialize, PartialEq)]
 pub enum ProcessUnit {
+    #[default]
     Decoder,
     Encoder,
     Ingest,
@@ -31,12 +32,6 @@ impl fmt::Display for ProcessUnit {
     }
 }
 
-impl Default for ProcessUnit {
-    fn default() -> Self {
-        ProcessUnit::Decoder
-    }
-}
-
 use ProcessUnit::*;
 
 /// Process Controller