diff --git a/phpBB/includes/cache/driver/file.php b/phpBB/includes/cache/driver/file.php
index 32bdb1918a..5014ba18af 100644
--- a/phpBB/includes/cache/driver/file.php
+++ b/phpBB/includes/cache/driver/file.php
@@ -215,6 +215,7 @@ class phpbb_cache_driver_file extends phpbb_cache_driver_base
 		while (($entry = readdir($dir)) !== false)
 		{
 			if (strpos($entry, 'container_') !== 0 &&
+				strpos($entry, 'url_matcher') !== 0 &&
 				strpos($entry, 'sql_') !== 0 &&
 				strpos($entry, 'data_') !== 0 &&
 				strpos($entry, 'ctpl_') !== 0 &&
diff --git a/phpBB/includes/cache/driver/memory.php b/phpBB/includes/cache/driver/memory.php
index 1ea9a3e9e7..f6c42c0ea6 100644
--- a/phpBB/includes/cache/driver/memory.php
+++ b/phpBB/includes/cache/driver/memory.php
@@ -163,6 +163,7 @@ abstract class phpbb_cache_driver_memory extends phpbb_cache_driver_base
 		while (($entry = readdir($dir)) !== false)
 		{
 			if (strpos($entry, 'container_') !== 0 &&
+				strpos($entry, 'url_matcher') !== 0 &&
 				strpos($entry, 'sql_') !== 0 &&
 				strpos($entry, 'data_') !== 0 &&
 				strpos($entry, 'ctpl_') !== 0 &&