diff --git a/pbs-api-types/src/jobs.rs b/pbs-api-types/src/jobs.rs
index c6664104..0e83da73 100644
--- a/pbs-api-types/src/jobs.rs
+++ b/pbs-api-types/src/jobs.rs
@@ -145,8 +145,8 @@ pub const IGNORE_VERIFIED_BACKUPS_SCHEMA: Schema = BooleanSchema::new(
     .schema();
 
 pub const VERIFICATION_OUTDATED_AFTER_SCHEMA: Schema = IntegerSchema::new(
-    "Days after that a verification becomes outdated")
-    .minimum(1)
+    "Days after that a verification becomes outdated. (0 means always)")
+    .minimum(0)
     .schema();
 
 #[api(
diff --git a/src/backup/verify.rs b/src/backup/verify.rs
index e37c63be..e835d625 100644
--- a/src/backup/verify.rs
+++ b/src/backup/verify.rs
@@ -560,7 +560,7 @@ pub fn verify_filter(
                     let now = proxmox_time::epoch_i64();
                     let days_since_last_verify = (now - last_verify.upid.starttime) / 86400;
 
-                    days_since_last_verify > max_age
+                    max_age == 0 || days_since_last_verify > max_age
                 }
             }
         }