diff --git a/src/Command/Auth/AuthLoginCommand.php b/src/Command/Auth/AuthLoginCommand.php
index 9f48c5e44..faded08b5 100644
--- a/src/Command/Auth/AuthLoginCommand.php
+++ b/src/Command/Auth/AuthLoginCommand.php
@@ -27,7 +27,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
     $keys = $this->datastoreCloud->get('keys');
     $activeKey = $this->datastoreCloud->get('acli_key');
     // @todo this validation should really be enforced as a schema on the datastore.
-    if (count($keys) != 0 && !array_key_exists($activeKey, $keys)) {
+    if ( is_array($keys) && !empty($keys) != 0 && !array_key_exists($activeKey, $keys)) {
       throw new AcquiaCliException('Invalid key in Cloud datastore; run acli auth:logout && acli auth:login to fix');
     }
     if ($activeKey) {