diff --git a/src/macros.rs b/src/macros.rs
index ebf1031..001002e 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -105,7 +105,7 @@ macro_rules! unpack_big_endian
          buffer = ::spellbook::components::Array::with_capacity($bytes);
          for i in 0..$bytes
          {
-            buffer.push(($value >> (($bytes - i) - 1) * 8) as u8);
+            buffer.insert_element(($value >> (($bytes - i) - 1) * 8) as u8);
          }
 
          // Return the buffer of bytes that represent this value.
@@ -127,7 +127,7 @@ macro_rules! unpack_little_endian
          buffer = ::spellbook::components::Array::with_capacity($bytes);
          for i in 0..$bytes
          {
-            buffer.push(($value >> (i * 8)) as u8);
+            buffer.insert_element(($value >> (i * 8)) as u8);
          }
 
          // Return the buffer of bytes that represent this value.
diff --git a/src/transmutable.rs b/src/transmutable.rs
index d419bc4..78e1f6a 100644
--- a/src/transmutable.rs
+++ b/src/transmutable.rs
@@ -151,8 +151,12 @@ impl Transmutable for u8
    #[allow(unused_variables)]
    fn as_endian_bytes(&self, endianess: Endianess) -> Array<u8>
    {
-      // A single byte has no endian form.
-      vec![*self]
+      let mut bytes: Array<u8>;
+
+      bytes = Array::with_capacity(1usize);
+      bytes.insert_element(*self);
+
+      bytes
    }
 
    fn determine_byte_size(&self) -> usize
@@ -259,7 +263,12 @@ impl Transmutable for i8
    #[allow(unused_variables)]
    fn as_endian_bytes(&self, endianess: Endianess) -> Array<u8>
    {
-      vec![*self as u8]
+      let mut bytes: Array<u8>;
+
+      bytes = Array::with_capacity(1usize);
+      bytes.insert_element(*self as u8);
+
+      bytes
    }
 
    fn determine_byte_size(&self) -> usize