diff --git a/components/settings/customization/index.js b/components/settings/customization/index.js
index 386225a..7ff147a 100644
--- a/components/settings/customization/index.js
+++ b/components/settings/customization/index.js
@@ -28,7 +28,7 @@ import {
   saveTemperatureTrackingCategory,
   saveUseCervix,
   periodPredictionObservable,
-  useCervixObservable,
+  useCervixAsSecondarySymptomObservable,
 } from '../../../local-storage'
 import { Colors } from '../../../styles'
 import labels from '../../../i18n/en/settings'
@@ -36,7 +36,7 @@ import { SYMPTOMS } from '../../../config'
 
 const Settings = () => {
   const [shouldUseCervix, setShouldUseCervix] = useState(
-    useCervixObservable.value
+    useCervixAsSecondarySymptomObservable.value
   )
 
   const [isPeriodPredictionEnabled, setPeriodPrediction] = useState(
diff --git a/lib/sympto-adapter.js b/lib/sympto-adapter.js
index aac2807..ef3b8fb 100644
--- a/lib/sympto-adapter.js
+++ b/lib/sympto-adapter.js
@@ -1,6 +1,6 @@
 import getFertilityStatus from 'sympto'
 import cycleModule from './cycle'
-import { useCervixObservable } from '../local-storage'
+import { useCervixAsSecondarySymptomObservable } from '../local-storage'
 import { fertilityStatus as labels } from '../i18n/en/labels'
 
 export function getFertilityStatusForDay(dateString) {
@@ -57,7 +57,7 @@ export function getCycleStatusForDay(dateString, opts = {}) {
     }
   }
 
-  cycleInfo.secondarySymptom = useCervixObservable.value ? 'cervix' : 'mucus'
+  cycleInfo.secondarySymptom = useCervixAsSecondarySymptomObservable.value ? 'cervix' : 'mucus'
 
   return getFertilityStatus(cycleInfo)
 }
diff --git a/local-storage.js b/local-storage.js
index 431137f..175a7d4 100644
--- a/local-storage.js
+++ b/local-storage.js
@@ -59,12 +59,12 @@ export async function savePeriodPrediction(bool) {
   }
 }
 
-export const useCervixObservable = Observable()
-setObvWithInitValue('useCervix', useCervixObservable, 0)
+export const useCervixAsSecondarySymptomObservable = Observable()
+setObvWithInitValue('useCervix', useCervixAsSecondarySymptomObservable, 0)
 
 export async function saveUseCervix(value) {
   await AsyncStorage.setItem('useCervix', JSON.stringify(value))
-  useCervixObservable.set(value)
+  useCervixAsSecondarySymptomObservable.set(value)
 }
 
 export const hasEncryptionObservable = Observable()