diff --git a/examples/a8/montecarlo_pi_benchmark.mfk b/examples/a8/montecarlo_pi_benchmark.mfk
index 9e840953..846ed70e 100644
--- a/examples/a8/montecarlo_pi_benchmark.mfk
+++ b/examples/a8/montecarlo_pi_benchmark.mfk
@@ -33,7 +33,8 @@ void printScore(word val) {
 void main() {
   array(bool) flags[size] align(1024)
   word i@$e0, bingo@$e2
-  word x@$e4, y@$e6, n@$e8, p@$ea
+  word x@$e4, y@$e6, p@$e8, t@$ea
+  byte n@$82
 
   screen = os_SAVMSC
 
@@ -46,19 +47,19 @@ void main() {
 
   for i,0,to,probe {
     n = pokey_random & 127
-    x = n * n
+    x = n * word(n)
     n = pokey_random & 127
-    y = n * n
+    y = n * word(n)
     if ((x + y) <= radius) {
       bingo += 1
     }
   }
   p = 4 * bingo
 
-  n = os_RTCLOK.b2 + (os_RTCLOK.b1 * 256)
+  t = os_RTCLOK.b2 + (os_RTCLOK.b1 * 256)
 
-  printScore(n)
+  printScore(t)
   printScore(p)
 
   while true {}
-}
+}
\ No newline at end of file