diff --git a/src/cljc/commiteth/model/bounty.cljc b/src/cljc/commiteth/model/bounty.cljc
index 89524b8..5e9baf0 100644
--- a/src/cljc/commiteth/model/bounty.cljc
+++ b/src/cljc/commiteth/model/bounty.cljc
@@ -36,6 +36,6 @@
 
 (defn crypto-balances [bounty]
   ;; TODO add some assertions
-  (cond-> (:tokens bounty)
+  (cond-> (seq (:tokens bounty))
     (< 0 (util/parse-float (:balance-eth bounty)))
     (conj [:ETH (:balance-eth bounty)])))