diff --git a/backend/src/lib/config/env.ts b/backend/src/lib/config/env.ts
index 6b9d33c2a..76d3daaea 100644
--- a/backend/src/lib/config/env.ts
+++ b/backend/src/lib/config/env.ts
@@ -262,7 +262,7 @@ const envSchema = z
     DATADOG_HOSTNAME: zpStr(z.string().optional()),
 
     // PIT
-    PIT_CHECKPOINT_WINDOW: zpStr(z.string().optional().default("2")),
+    PIT_CHECKPOINT_WINDOW: zpStr(z.string().optional().default("100")),
     PIT_TREE_CHECKPOINT_WINDOW: zpStr(z.string().optional().default("30")),
 
     /* CORS ----------------------------------------------------------------------------- */