diff --git a/vacuum_gambit.p8 b/vacuum_gambit.p8
index 383f6b1..e3a31af 100644
--- a/vacuum_gambit.p8
+++ b/vacuum_gambit.p8
@@ -494,8 +494,8 @@ function ship_m:die()
  if xp > 0x0.01f3 then  -- dec 499
   -- spawn a huge gem with all
   -- overage XP, min 100
-  spawn_xp_at(cx, cy, 0, xp-0x0.18f)
-  xp = 0x0.18f  -- dec 399
+  spawn_xp_at(cx, cy, 0, xp-0x0.018f)
+  xp = 0x0.018f  -- dec 399
   z += 1
  end
  -- 100, 25, 5, 1