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-rw-r--r--src/zone.lisp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/zone.lisp b/src/zone.lisp
index 9a27f17..ee2fad5 100644
--- a/src/zone.lisp
+++ b/src/zone.lisp
@@ -18,6 +18,6 @@
:commodities commodities))
(defmethod get-commodity ((z zone) commodity-name)
- (find-if (lambda (c) (equal (commodities:name c)
- commodity-name))
+ (find-if (lambda (c) (string= (commodities:name c)
+ commodity-name))
(commodities z)))