diff --git a/src/Command/UpdateSubscriptionsCommand.php b/src/Command/UpdateSubscriptionsCommand.php
index 0ccaec6..26b1ce4 100644
--- a/src/Command/UpdateSubscriptionsCommand.php
+++ b/src/Command/UpdateSubscriptionsCommand.php
@@ -81,7 +81,7 @@ class UpdateSubscriptionsCommand extends Command
         $progress->start(count($usersForUpdate));
 
         foreach ($usersForUpdate as $user) {
-            usleep($this->pointApiDelay);
+            \usleep($this->pointApiDelay);
 
             $progress->advance();
             $this->logger->info('Processing @'.$user->getLogin());
diff --git a/src/Command/UpdateUsersPrivacyCommand.php b/src/Command/UpdateUsersPrivacyCommand.php
index a561bf9..a9acdee 100644
--- a/src/Command/UpdateUsersPrivacyCommand.php
+++ b/src/Command/UpdateUsersPrivacyCommand.php
@@ -66,7 +66,7 @@ class UpdateUsersPrivacyCommand extends Command
         $progress->start(count($usersForUpdate));
 
         foreach ($usersForUpdate as $user) {
-            usleep($this->pointApiDelay);
+            \usleep($this->pointApiDelay);
 
             $progress->advance();
             $this->logger->info('Processing @'.$user->getLogin());