diff --git a/epub.php b/epub.php
index b2c0307..77bb448 100644
--- a/epub.php
+++ b/epub.php
@@ -581,7 +581,7 @@
 
 	<b>Admin</b>
 	<br>
-	<input id="emptycache" name="emptycache" type="checkbox">
+	<input id="emptycache" name="emptycache" type="checkbox" checked>
 	<label for="emptycache">Empty cache</label>
 	<br><br>