diff --git a/src/ext.rs b/src/ext.rs
index 02f7a28..dc648b5 100644
--- a/src/ext.rs
+++ b/src/ext.rs
@@ -5,7 +5,7 @@ use std::iter;
 use smallvec::SmallVec;
 
 /// Max size of memory allowed to be allocated on the stack.
-pub const STACK_MEM_ALLOC_MAX: usize = 4096;
+pub const STACK_MEM_ALLOC_MAX: usize = 2048; // 2KB
 
 /// A stack-allocated vector that spills onto the heap when needed.
 pub type StackVec<T> = SmallVec<[T; STACK_MEM_ALLOC_MAX]>;
diff --git a/src/message/tests.rs b/src/message/tests.rs
index 07cfe7c..e4a05ad 100644
--- a/src/message/tests.rs
+++ b/src/message/tests.rs
@@ -12,9 +12,9 @@ where S: MessageSender,
     println!(">> Created message: {:?}", message);
     let serialised = message.serialise(s).expect("Failed to serialise message");
     println!(">> Serialised message: {:?}", serialised);
-    let binary = serialised.into_bytes();
+    let binary = serialised.into_bytes().expect("Failed to serialize to bytes");
     println!(">> Written to {} bytes", binary.len());
-    let read = SerializedMessage::from_bytes(&binary).expect("Failed to read serialised message from binary");
+    let read = SerializedMessage::from_bytes(binary).expect("Failed to read serialised message from binary");
     println!(">> Read from bytes: {:?}", read);
     let deserialised = Message::deserialize(&read, d).expect("Failed to deserialise message");
     println!(">> Deserialised message: {:?}", deserialised);