diff --git a/lib/sympto/index.js b/lib/sympto/index.js
index d51fda7..3c8207f 100644
--- a/lib/sympto/index.js
+++ b/lib/sympto/index.js
@@ -70,7 +70,7 @@ export default function getSymptoThermalStatus(cycleInfo) {
   const tempOver = temperatureShift.evaluationCompleteDay.date
   const secondarySymptomOver = secondaryShift.evaluationCompleteDay.date
 
-  if (tempOver > secondarySymptomOver) {
+  if (tempOver >= secondarySymptomOver) {
     periOvulatoryEnd = temperatureShift.evaluationCompleteDay
   } else if (secondarySymptom > tempOver) {
     periOvulatoryEnd = secondaryShift.evaluationCompleteDay