diff --git a/crates/jmap/src/api/management/dns.rs b/crates/jmap/src/api/management/dns.rs
index 72a7a54e..df6cfe4d 100644
--- a/crates/jmap/src/api/management/dns.rs
+++ b/crates/jmap/src/api/management/dns.rs
@@ -97,7 +97,7 @@ impl DnsManagement for Server {
                 }
                 _ => (),
             }
-            if !has_macros && value.contains("%%{") {
+            if !has_macros && value.contains("%{") {
                 has_macros = true;
             }
             keys.keys.insert(key, value);