diff --git a/module/VuFind/src/VuFind/Auth/ILS.php b/module/VuFind/src/VuFind/Auth/ILS.php
index c8a69c509a2f84d4245264164003f39fde026d91..3fc2bb1670dca2ac341e3b84d0dca5d7d4921716 100644
--- a/module/VuFind/src/VuFind/Auth/ILS.php
+++ b/module/VuFind/src/VuFind/Auth/ILS.php
@@ -113,6 +113,9 @@ class ILS extends AbstractBase
         // Connect to catalog:
         try {
             $patron = $this->getCatalog()->patronLogin($username, $password);
+        } catch (AuthException $e) {
+            // Pass Auth exceptions through
+            throw $e;
         } catch (\Exception $e) {
             throw new AuthException('authentication_error_technical');
         }
diff --git a/module/VuFind/src/VuFind/Auth/MultiILS.php b/module/VuFind/src/VuFind/Auth/MultiILS.php
index 16fd4a1a8703e08fb41e94874ccfb738cb499fd9..343d8c49ab05877cb920eee288a410045531355f 100644
--- a/module/VuFind/src/VuFind/Auth/MultiILS.php
+++ b/module/VuFind/src/VuFind/Auth/MultiILS.php
@@ -71,6 +71,9 @@ class MultiILS extends ILS
         // Connect to catalog:
         try {
             $patron = $this->getCatalog()->patronLogin($username, $password);
+        } catch (AuthException $e) {
+            // Pass Auth exceptions through
+            throw $e;
         } catch (\Exception $e) {
             throw new AuthException('authentication_error_technical');
         }