diff --git a/src/Storage/ClientCredentialsStorage.php b/src/Storage/ClientCredentialsStorage.php
index 6a81f9b..98b7b8b 100644
--- a/src/Storage/ClientCredentialsStorage.php
+++ b/src/Storage/ClientCredentialsStorage.php
@@ -50,7 +50,7 @@ public function clientRequiresConsent( $client_id ): bool {
 			return true;
 		}
 
-		return true === $client['requires_consent'];
+		return false !== $client['requires_consent'];
 	}
 
 	public function getClientScope( $client_id ) {