diff --git a/satrs-core/src/cfdp/mod.rs b/satrs-core/src/cfdp/mod.rs
index a138fee..dc6e87a 100644
--- a/satrs-core/src/cfdp/mod.rs
+++ b/satrs-core/src/cfdp/mod.rs
@@ -61,16 +61,15 @@ pub trait CheckTimerCreator {
 #[cfg(feature = "std")]
 pub struct StdCheckTimer {
     expiry_time_seconds: u64,
-    start_time: std::time::Instant
+    start_time: std::time::Instant,
 }
 
-
 #[cfg(feature = "std")]
 impl StdCheckTimer {
     pub fn new(expiry_time_seconds: u64) -> Self {
         Self {
             expiry_time_seconds,
-            start_time: std::time::Instant::now()
+            start_time: std::time::Instant::now(),
         }
     }
 }
diff --git a/satrs-core/src/cfdp/source.rs b/satrs-core/src/cfdp/source.rs
index 8b17c11..146f5be 100644
--- a/satrs-core/src/cfdp/source.rs
+++ b/satrs-core/src/cfdp/source.rs
@@ -6,11 +6,9 @@ pub struct SourceHandler {
 
 impl SourceHandler {
     pub fn new(id: impl Into<UnsignedByteField>) -> Self {
-        Self { id }
+        Self { id: id.into() }
     }
 }
 
 #[cfg(test)]
-mod tests {
-
-}
+mod tests {}