diff --git a/scripts/db-streak-recompute.ts b/scripts/db-streak-recompute.ts
index e202baa5..a05eb08b 100644
--- a/scripts/db-streak-recompute.ts
+++ b/scripts/db-streak-recompute.ts
@@ -1,7 +1,9 @@
+import { Conf } from '@/config.ts';
 import { Storages } from '@/storages.ts';
 
 const kysely = await Storages.kysely();
 const statsQuery = kysely.selectFrom('author_stats').select('pubkey');
+const { streakWindow } = Conf;
 
 for await (const { pubkey } of statsQuery.stream(10)) {
   const eventsQuery = kysely
@@ -21,14 +23,14 @@ for await (const { pubkey } of statsQuery.stream(10)) {
     if (!end) {
       const now = Math.floor(Date.now() / 1000);
 
-      if (now - createdAt > 86400) {
+      if (now - createdAt > streakWindow) {
         break; // streak broken
       }
 
       end = createdAt;
     }
 
-    if (start && (start - createdAt > 86400)) {
+    if (start && (start - createdAt > streakWindow)) {
       break; // streak broken
     }
 
diff --git a/src/config.ts b/src/config.ts
index 0164182a..cdd88705 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -357,6 +357,10 @@ class Conf {
       return Number(Deno.env.get('PROFILE_FIELDS_VALUE_LENGTH') || 2047);
     },
   };
+  /** Maximum time between events before a streak is broken, *in seconds*. */
+  static get streakWindow(): number {
+    return Number(Deno.env.get('STREAK_WINDOW') || 129600);
+  }
 }
 
 const optionalBooleanSchema = z
diff --git a/src/utils/stats.ts b/src/utils/stats.ts
index 64e7986d..0821fed2 100644
--- a/src/utils/stats.ts
+++ b/src/utils/stats.ts
@@ -3,6 +3,7 @@ import { Insertable, Kysely, UpdateObject } from 'kysely';
 import { SetRequired } from 'type-fest';
 import { z } from 'zod';
 
+import { Conf } from '@/config.ts';
 import { DittoTables } from '@/db/DittoTables.ts';
 import { findQuoteTag, findReplyTag, getTagSet } from '@/utils/tags.ts';
 
@@ -46,7 +47,7 @@ async function handleEvent1(kysely: Kysely<DittoTables>, event: NostrEvent, x: n
     if (start && end) { // Streak exists.
       if (now <= end) {
         // Streak cannot go backwards in time. Skip it.
-      } else if (now - end > 86400) {
+      } else if (now - end > Conf.streakWindow) {
         // Streak is broken. Start a new streak.
         start = now;
         end = now;
diff --git a/src/views/mastodon/accounts.ts b/src/views/mastodon/accounts.ts
index 1261de92..0c2d1dcc 100644
--- a/src/views/mastodon/accounts.ts
+++ b/src/views/mastodon/accounts.ts
@@ -72,15 +72,16 @@ async function renderAccount(
   let streakDays = 0;
   let streakStart = event.author_stats?.streak_start ?? null;
   let streakEnd = event.author_stats?.streak_end ?? null;
+  const { streakWindow } = Conf;
 
   if (streakStart && streakEnd) {
-    const broken = nostrNow() - streakEnd > 86400;
+    const broken = nostrNow() - streakEnd > streakWindow;
     if (broken) {
       streakStart = null;
       streakEnd = null;
     } else {
       const delta = streakEnd - streakStart;
-      streakDays = Math.max(Math.ceil(delta / 86400), 1);
+      streakDays = Math.max(Math.ceil(delta / streakWindow), 1);
     }
   }