diff --git a/kernel/arch/i386/tty.nim b/kernel/arch/i386/tty.nim
index bb1ab1e..fbbf421 100644
--- a/kernel/arch/i386/tty.nim
+++ b/kernel/arch/i386/tty.nim
@@ -32,11 +32,10 @@ proc terminalInitialize*() =
 
 proc terminalScroll() =
   for y in 0..< (vgaHeight - 1):
+    let base1 = y * vgaWidth
+    let base2 = (y + 1) * vgaWidth
     for x in 0..<vgaWidth:
-      let xval = x * 2
-      let index1 = y * vgaWidth + x
-      let index2 = (y + 1) * vgaWidth + x
-      vgaMem[index1] = vgaMem[index2]
+      vgaMem[base1 + x] = vgaMem[base2 + x]
   for x in 0..<vgaWidth: # Blank the "new" bottom line
     terminalWriteAtPoint(' ', terminalColour, x, vgaHeight - 1)