diff --git a/app/api/main/krb5_router.py b/app/api/main/krb5_router.py
index 31826464f..91f64a5b6 100644
--- a/app/api/main/krb5_router.py
+++ b/app/api/main/krb5_router.py
@@ -33,6 +33,7 @@
     KerberosDependencyError,
     KerberosNotFoundError,
     KerberosUnavailableError,
+    KRBAPIConnectionError,
 )
 from ldap_protocol.ldap_requests.contexts import LDAPAddRequestContext
 from ldap_protocol.utils.const import EmailStr
@@ -63,6 +64,10 @@
         status=status.HTTP_500_INTERNAL_SERVER_ERROR,
         translator=translator,
     ),
+    KRBAPIConnectionError: rule(
+        status=status.HTTP_500_INTERNAL_SERVER_ERROR,
+        translator=translator,
+    ),
 }
 
 krb5_router = ErrorAwareRouter(