diff --git a/xExtension-ImageProxy/configure.phtml b/xExtension-ImageProxy/configure.phtml
index cf0d47f..fe1deb4 100644
--- a/xExtension-ImageProxy/configure.phtml
+++ b/xExtension-ImageProxy/configure.phtml
@@ -7,7 +7,7 @@
 		</div>
 		<label class="group-name" for="css-rules"><?php echo _t('ext.imageproxy.force'); ?></label>
 		<div class="group-controls">
-        <input type="checkbox" name="image_proxy_force" id="image_proxy_force" value="1" <?php echo (FreshRSS_Context::$user_conf->image_proxy_force ? 'data-leave-validation="1" checked="checked"' : 'data-leave-validation=""'); ?>>
+        <input type="checkbox" name="image_proxy_force" id="image_proxy_force" value="1" <?php echo (FreshRSS_Context::$user_conf->image_proxy_force ? 'checked' : ''); ?>>
 		</div>
 	</div>