diff --git a/src/colors.rs b/src/colors.rs
index 2757844..1fa325e 100644
--- a/src/colors.rs
+++ b/src/colors.rs
@@ -1,5 +1,6 @@
 //! Common color structures used in vga.
 
+/// Represents the size of the vga palette in bytes.
 pub const PALETTE_SIZE: usize = 768;
 
 /// Represents a 16 bit color used for vga display.
diff --git a/src/registers.rs b/src/registers.rs
index 4aa5a76..debfeb1 100644
--- a/src/registers.rs
+++ b/src/registers.rs
@@ -426,9 +426,9 @@ impl ColorPaletteRegisters {
         unsafe {
             self.index_read_port.write(0);
         }
-        for i in 0..PALETTE_SIZE {
+        for byte in palette.iter_mut().take(PALETTE_SIZE) {
             unsafe {
-                palette[i] = self.data_port.read();
+                *byte = self.data_port.read();
             }
         }
     }