diff --git a/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php b/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php
index b83645dc61971771b8ce86e1587730adf77c1834..d274556700e557a37c4faa1cef244243c503ad50 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/MultiBackend.php
@@ -1173,7 +1173,10 @@ class MultiBackend extends AbstractBase
             $source = $this->defaultDriver;
         }
         if (!$source) {
-            return false;
+            // If we can't determine the source, assume we are capable to handle
+            // the request. This might happen e.g. when the user hasn't yet done
+            // a catalog login.
+            return true;
         }
 
         $driver = $this->getDriver($source);
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php
index 428ea8005f4e44e05faab9dd0c224246e05ca74f..822577ea5823407e386132254f453e31a250da6f 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/MultiBackendTest.php
@@ -2228,11 +2228,11 @@ class MultiBackendTest extends \VuFindTest\Unit\TestCase
         $methodReturn = $driver->supportsMethod('getStatus', $patron);
         $this->assertTrue($methodReturn);
 
-        //Case: The method doesn't exists in any of the drivers
-            //Result: A return of false
+        //Case: No parameters are given
+            //Result: A return of true
 
-        $methodReturn = $driver->supportsMethod('fail', null);
-        $this->assertFalse($methodReturn);
+        $methodReturn = $driver->supportsMethod('getStatus', null);
+        $this->assertTrue($methodReturn);
 
         //Case: getLoginDrivers and getDefaultLoginDriver are always supported
             //Result: A return of true