diff --git a/pbs-api-types/src/ldap.rs b/pbs-api-types/src/ldap.rs
index eabc5249..762f560a 100644
--- a/pbs-api-types/src/ldap.rs
+++ b/pbs-api-types/src/ldap.rs
@@ -150,11 +150,11 @@ macro_rules! DOMAIN_PART_REGEX {
 
 const_regex! {
     pub LDAP_DOMAIN_REGEX = concat!(
-        r#"\w+="#,
+        r#"^\w+="#,
         DOMAIN_PART_REGEX!(),
         r#"(,\s*\w+="#,
         DOMAIN_PART_REGEX!(),
-        ")*"
+        ")*$"
     );
 }