diff --git a/lib/constants.ts b/lib/constants.ts
index c286ac6..1234567 100644
--- a/lib/constants.ts
+++ b/lib/constants.ts
@@ -40,25 +40,25 @@ export const STARTER_PACK_OG_CARD_URL = `https://ogcard.cdn.bsky.app/start`
 
 export const NEW_ACCOUNT_MARKER_THRESHOLD_IN_DAYS = process.env
   .NEXT_PUBLIC_NEW_ACCOUNT_MARKER_THRESHOLD_IN_DAYS
-  ? parseInt(process.env.NEXT_PUBLIC_NEW_ACCOUNT_MARKER_THRESHOLD_IN_DAYS)
+  ? parseInt(env('NEXT_PUBLIC_NEW_ACCOUNT_MARKER_THRESHOLD_IN_DAYS') || '7')
   : 7
 
 export const YOUNG_ACCOUNT_MARKER_THRESHOLD_IN_DAYS = process.env
   .NEXT_PUBLIC_YOUNG_ACCOUNT_MARKER_THRESHOLD_IN_DAYS
-  ? parseInt(process.env.NEXT_PUBLIC_YOUNG_ACCOUNT_MARKER_THRESHOLD_IN_DAYS)
+  ? parseInt(env('NEXT_PUBLIC_YOUNG_ACCOUNT_MARKER_THRESHOLD_IN_DAYS') || '30')
   : 30
 
 export const DOMAINS_ALLOWING_EMAIL_COMMUNICATION = (
-  process.env.NEXT_PUBLIC_DOMAINS_ALLOWING_EMAIL_COMMUNICATION || ''
+  env('NEXT_PUBLIC_DOMAINS_ALLOWING_EMAIL_COMMUNICATION') || ''
 ).split(',')
 
 export const HIGH_PROFILE_FOLLOWER_THRESHOLD = process.env
   .NEXT_PUBLIC_HIGH_PROFILE_FOLLOWER_THRESHOLD
-  ? parseInt(process.env.NEXT_PUBLIC_HIGH_PROFILE_FOLLOWER_THRESHOLD)
+  ? parseInt(env('NEXT_PUBLIC_HIGH_PROFILE_FOLLOWER_THRESHOLD') || '0')
   : Infinity
 
 export const FALLBACK_VIDEO_URL = (
-  process.env.NEXT_PUBLIC_FALLBACK_VIDEO_URL || ''
+  env('NEXT_PUBLIC_FALLBACK_VIDEO_URL') || ''
 ).split(':')
 
 // strike to account suspension duration mapping (in hours)
@@ -91,18 +91,18 @@ const parseStrikeSuspensionConfig = (
 
 export const STRIKE_TO_SUSPENSION_DURATION_IN_HOURS =
   parseStrikeSuspensionConfig(
-    process.env.NEXT_PUBLIC_STRIKE_SUSPENSION_CONFIG || '',
+    env('NEXT_PUBLIC_STRIKE_SUSPENSION_CONFIG') || '',
   )
 
 export const AUTOMATED_ACTION_EMAIL_IDS = {
   warningWithTakedown:
-    process.env.NEXT_PUBLIC_WARNING_WITH_TAKEDOWN_EMAIL_TEMPLATE_ID,
+    env('NEXT_PUBLIC_WARNING_WITH_TAKEDOWN_EMAIL_TEMPLATE_ID'),
   suspensionWithTakedown:
-    process.env.NEXT_PUBLIC_SUSPENSION_WITH_TAKEDOWN_EMAIL_TEMPLATE_ID,
+    env('NEXT_PUBLIC_SUSPENSION_WITH_TAKEDOWN_EMAIL_TEMPLATE_ID'),
   suspensionWithoutTakedown:
-    process.env.NEXT_PUBLIC_SUSPENSION_WITHOUT_TAKEDOWN_EMAIL_TEMPLATE_ID,
+    env('NEXT_PUBLIC_SUSPENSION_WITHOUT_TAKEDOWN_EMAIL_TEMPLATE_ID'),
   permanentTakedown:
-    process.env.NEXT_PUBLIC_PERMANENT_TAKEDOWN_EMAIL_TEMPLATE_ID,
+    env('NEXT_PUBLIC_PERMANENT_TAKEDOWN_EMAIL_TEMPLATE_ID'),
   takedownWithoutStrike:
-    process.env.NEXT_PUBLIC_TAKEDOWN_WITHOUT_STRIKE_EMAIL_TEMPLATE_ID,
+    env('NEXT_PUBLIC_TAKEDOWN_WITHOUT_STRIKE_EMAIL_TEMPLATE_ID'),
 }