diff --git a/phpBB/adm/style/confirm_body.html b/phpBB/adm/style/confirm_body.html
index d0360d1b3a..fa3f1e6c64 100644
--- a/phpBB/adm/style/confirm_body.html
+++ b/phpBB/adm/style/confirm_body.html
@@ -4,7 +4,7 @@
 	<p>{MESSAGE_TEXT}</p>
 
 	<fieldset class="submit-buttons">
-		<input type="button" name="confirm" value="{L_YES}" class="button2" />&nbsp;
+		<input type="button" name="confirm" value="{L_YES}" class="button1" />&nbsp;
 		<input type="button" name="cancel" value="{L_NO}" class="button2" />
 	</fieldset>