diff --git a/BuGS/game.s b/BuGS/game.s
index 152b988..294c3c2 100644
--- a/BuGS/game.s
+++ b/BuGS/game.s
@@ -36,6 +36,12 @@ gameLoop anop
         jsl drawFlea
         jsl drawDirtyNonGameTiles
         
+        short i,m
+        lda >BORDER_COLOUR_REGISTER
+        and #$f1
+        sta >BORDER_COLOUR_REGISTER
+        long i,m
+        
         jsl updateScorpion
         jsl updateSpider
         jsl updateFlea
diff --git a/BuGS/random.s b/BuGS/random.s
index 144d063..c8cb5b6 100644
--- a/BuGS/random.s
+++ b/BuGS/random.s
@@ -88,10 +88,14 @@ randN_ret0 anop
         
 randN_doit anop
         sta upperLimit
-randN_retry anop
         jsl rand0_to_14
+randN_loop anop
         cmp upperLimit
-        bge randN_retry
+        blt randN_done
+        sec
+        sbc upperLimit
+        bra randN_loop
+randN_done anop
         rtl