diff --git a/www/js/metrics/metricsHelper.ts b/www/js/metrics/metricsHelper.ts
index 9dbc23c82..ca3846806 100644
--- a/www/js/metrics/metricsHelper.ts
+++ b/www/js/metrics/metricsHelper.ts
@@ -180,7 +180,7 @@ export function isCustomLabels(modeMap) {
   logDebug(`Checking metric keys ${distanceKeys}; sensed ${isSensedKeys}; custom ${isCustomKeys}`);
   const isAllCustomForMetric = isAllCustom(isSensedKeys, isCustomKeys);
   metricSummaryChecksSensed.push(!isAllCustomForMetric);
-  metricSummaryChecksCustom.push(!!isAllCustomForMetric);
+  metricSummaryChecksCustom.push(Boolean(isAllCustomForMetric));
   logDebug(`overall custom/not results for each metric 
     is ${JSON.stringify(metricSummaryChecksCustom)}`);
   return isAllCustom(metricSummaryChecksSensed, metricSummaryChecksCustom);
diff --git a/www/js/onboarding/onboardingHelper.ts b/www/js/onboarding/onboardingHelper.ts
index 72020382b..89e05d9e7 100644
--- a/www/js/onboarding/onboardingHelper.ts
+++ b/www/js/onboarding/onboardingHelper.ts
@@ -78,7 +78,7 @@ async function readConsented() {
 }
 
 export async function readIntroDone() {
-  return storageGet(INTRO_DONE_KEY).then((read_val) => !!read_val) as Promise<boolean>;
+  return storageGet(INTRO_DONE_KEY).then((read_val) => Boolean(read_val)) as Promise<boolean>;
 }
 
 export async function markIntroDone() {