diff --git a/src/Core/Cache/AbstractCacheDriver.php b/src/Core/Cache/AbstractCacheDriver.php
index ee67eb7bce..f238a7819c 100644
--- a/src/Core/Cache/AbstractCacheDriver.php
+++ b/src/Core/Cache/AbstractCacheDriver.php
@@ -32,7 +32,7 @@ abstract class AbstractCacheDriver extends BaseObject
 	 */
 	protected function getCacheKey($key)
 	{
-		return  $this->getPrefix() . ":" . $key;
+		return $this->getPrefix() . ":" . $key;
 	}
 
 	/**