diff --git a/module/Rest/src/ApiKey/InitialApiKeyDelegator.php b/module/Rest/src/ApiKey/InitialApiKeyDelegator.php
index 9129d7d3..a5aa9d33 100644
--- a/module/Rest/src/ApiKey/InitialApiKeyDelegator.php
+++ b/module/Rest/src/ApiKey/InitialApiKeyDelegator.php
@@ -15,7 +15,7 @@ class InitialApiKeyDelegator
     public function __invoke(ContainerInterface $container, string $serviceName, callable $callback): Application
     {
         $initialApiKey = $container->get('config')['initial_api_key'] ?? null;
-        if ($initialApiKey !== null) {
+        if (! empty($initialApiKey)) {
             $this->createInitialApiKey($initialApiKey, $container);
         }
 
diff --git a/module/Rest/test/ApiKey/InitialApiKeyDelegatorTest.php b/module/Rest/test/ApiKey/InitialApiKeyDelegatorTest.php
index 7614fc9d..1db53b80 100644
--- a/module/Rest/test/ApiKey/InitialApiKeyDelegatorTest.php
+++ b/module/Rest/test/ApiKey/InitialApiKeyDelegatorTest.php
@@ -54,8 +54,9 @@ class InitialApiKeyDelegatorTest extends TestCase
 
     public function provideConfigs(): iterable
     {
-        yield [[], 0];
-        yield [['initial_api_key' => null], 0];
-        yield [['initial_api_key' => 'the_initial_key'], 1];
+        yield 'no api key' => [[], 0];
+        yield 'null api key' => [['initial_api_key' => null], 0];
+        yield 'empty api key' => [['initial_api_key' => ''], 0];
+        yield 'valid api key' => [['initial_api_key' => 'the_initial_key'], 1];
     }
 }