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-rw-r--r--blackjack.lisp2
1 files changed, 1 insertions, 1 deletions
diff --git a/blackjack.lisp b/blackjack.lisp
index 0e0b23c..2792046 100644
--- a/blackjack.lisp
+++ b/blackjack.lisp
@@ -91,7 +91,7 @@
(declare (xargs :guard (and (natp s)
(natp ac))))
(cond
- ((zerop ac) s)
+ ((zip ac) s)
((<= (+ s 11) 21) (+ s 11 (- ac 1)))
(t (+ s 1 (- ac 1)))))