diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b8886d..c42d3b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- Enable compiler optimization for the `sprintf` function.
+
 ## 1.1.0
 
 ### Added
diff --git a/src/SessionHandler.php b/src/SessionHandler.php
index 0f0fabf..fecf954 100644
--- a/src/SessionHandler.php
+++ b/src/SessionHandler.php
@@ -91,7 +91,7 @@ public function setUp(): void
         $response = $this->client->tableExists(['TableName' => $this->options['table_name']]);
         $response->wait(100, 3);
         if (!$response->isSuccess()) {
-            throw new RuntimeException(sprintf('Could not create table %s', $this->options['table_name']));
+            throw new RuntimeException(\sprintf('Could not create table %s', $this->options['table_name']));
         }
 
         $this->client->updateTimeToLive([