diff --git a/phpBB/adm/style/acp_forums.html b/phpBB/adm/style/acp_forums.html
index 9201736085..8577c08860 100644
--- a/phpBB/adm/style/acp_forums.html
+++ b/phpBB/adm/style/acp_forums.html
@@ -166,11 +166,11 @@
 	</dl>
 	<dl>
 		<dt><label for="forum_password">{L_FORUM_PASSWORD}:</label><br /><span>{L_FORUM_PASSWORD_EXPLAIN}</span></dt>
-		<dd><input type="password" id="forum_password" name="forum_password" value="<!-- IF S_FORUM_PASSWORD_SET -->&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;<!-- ENDIF -->" /></dd>
+		<dd><input type="password" id="forum_password" name="forum_password" value="<!-- IF S_FORUM_PASSWORD_SET -->&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;<!-- ENDIF -->" autocomplete="off" /></dd>
 	</dl>
 	<dl>
 		<dt><label for="forum_password_confirm">{L_FORUM_PASSWORD_CONFIRM}:</label><br /><span>{L_FORUM_PASSWORD_CONFIRM_EXPLAIN}</span></dt>
-		<dd><input type="password" id="forum_password_confirm" name="forum_password_confirm" value="<!-- IF S_FORUM_PASSWORD_SET -->&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;<!-- ENDIF -->" /></dd>
+		<dd><input type="password" id="forum_password_confirm" name="forum_password_confirm" value="<!-- IF S_FORUM_PASSWORD_SET -->&#x20;&#x20;&#x20;&#x20;&#x20;&#x20;<!-- ENDIF -->" autocomplete="off" /></dd>
 	</dl>
 	<!-- IF S_FORUM_PASSWORD_SET -->
 	<dl>
diff --git a/phpBB/adm/style/acp_users_overview.html b/phpBB/adm/style/acp_users_overview.html
index 911dcad293..9237e45daf 100644
--- a/phpBB/adm/style/acp_users_overview.html
+++ b/phpBB/adm/style/acp_users_overview.html
@@ -43,19 +43,19 @@
 </dl>
 <dl>
 	<dt><label for="user_email">{L_EMAIL}:</label></dt>
-	<dd><input class="text medium" type="text" id="user_email" name="user_email" value="{USER_EMAIL}" /></dd>
+	<dd><input class="text medium" type="text" id="user_email" name="user_email" value="{USER_EMAIL}" autocomplete="off" /></dd>
 </dl>
 <dl>
 	<dt><label for="email_confirm">{L_CONFIRM_EMAIL}:</label><br /><span>{L_CONFIRM_EMAIL_EXPLAIN}</span></dt>
-	<dd><input class="text medium" type="text" id="email_confirm" name="email_confirm" value="" /></dd>
+	<dd><input class="text medium" type="text" id="email_confirm" name="email_confirm" value="" autocomplete="off" /></dd>
 </dl>
 <dl>
 	<dt><label for="new_password">{L_NEW_PASSWORD}:</label><br /><span>{L_CHANGE_PASSWORD_EXPLAIN}</span></dt>
-	<dd><input type="password" id="new_password" name="new_password" value="" /></dd>
+	<dd><input type="password" id="new_password" name="new_password" value="" autocomplete="off" /></dd>
 </dl>
 <dl>
 	<dt><label for="password_confirm">{L_CONFIRM_PASSWORD}:</label><br /><span>{L_CONFIRM_PASSWORD_EXPLAIN}</span></dt>
-	<dd><input type="password" id="password_confirm" name="password_confirm" value="" /></dd>
+	<dd><input type="password" id="password_confirm" name="password_confirm" value="" autocomplete="off" /></dd>
 </dl>
 
 <p class="quick">