diff --git a/lib/sympto/index.js b/lib/sympto/index.js
index b9306380b639e9978966612a2ea08a887ca52d00..c85b3ca12bb809a00d35e5995be1ea7da26a9306 100644
--- a/lib/sympto/index.js
+++ b/lib/sympto/index.js
@@ -4,7 +4,8 @@ import getPreOvulatoryPhase from './pre-ovulatory'
 import { LocalDate } from 'js-joda'
 import assert from 'assert'
 
-export default function getSymptoThermalStatus({ cycle, previousCycle, earlierCycles = [] }) {
+export default function getSymptoThermalStatus(cycles) {
+  const { cycle, previousCycle, earlierCycles = [] } = cycles
   throwIfArgsAreNotInRequiredFormat([cycle, ...earlierCycles])
 
   const status = {