diff --git a/blocks/login/block_login.php b/blocks/login/block_login.php
index 67d0d0341df..24e65956a9c 100644
--- a/blocks/login/block_login.php
+++ b/blocks/login/block_login.php
@@ -67,11 +67,11 @@ class block_login extends block_base {
             $this->content->text .= "\n".'<form class="loginform" id="login" method="post" action="'.get_login_url().'">';
 
             $this->content->text .= '<div class="form-group"><label for="login_username">'.$strusername.'</label>';
-            $this->content->text .= '<input type="text" name="username" id="login_username" class="form-control" value="'.s($username).'" /></div>';
+            $this->content->text .= '<input type="text" name="username" id="login_username" class="form-control" value="'.s($username).'" autocomplete="username"/></div>';
 
             $this->content->text .= '<div class="form-group"><label for="login_password">'.get_string('password').'</label>';
 
-            $this->content->text .= '<input type="password" name="password" id="login_password" class="form-control" value="" /></div>';
+            $this->content->text .= '<input type="password" name="password" id="login_password" class="form-control" value="" autocomplete="current-password"/></div>';
 
             if (isset($CFG->rememberusername) and $CFG->rememberusername == 2) {
                 $checked = $username ? 'checked="checked"' : '';
diff --git a/lib/templates/loginform.mustache b/lib/templates/loginform.mustache
index 7aa51a62cfc..9448feab522 100644
--- a/lib/templates/loginform.mustache
+++ b/lib/templates/loginform.mustache
@@ -75,14 +75,14 @@
                         </label>
                     </div>
                     <div class="form-input">
-                        <input type="text" name="username" id="username" size="15" value="{{username}}">
+                        <input type="text" name="username" id="username" size="15" value="{{username}}" autocomplete="username">
                     </div>
                     <div class="clearer"><!-- --></div>
                     <div class="form-label">
                         <label for="password">{{#str}} password {{/str}}</label>
                     </div>
                     <div class="form-input">
-                        <input type="password" name="password" id="password" size="15" value="">
+                        <input type="password" name="password" id="password" size="15" value="" autocomplete="current-password">
                     </div>
                 </div>
 
diff --git a/theme/boost/templates/core/loginform.mustache b/theme/boost/templates/core/loginform.mustache
index 54500891921..b0cdaa055e4 100644
--- a/theme/boost/templates/core/loginform.mustache
+++ b/theme/boost/templates/core/loginform.mustache
@@ -136,13 +136,15 @@
                             <input type="text" name="username" id="username"
                                 class="form-control"
                                 value="{{username}}"
-                                placeholder={{#quote}}{{^canloginbyemail}}{{#str}}username{{/str}}{{/canloginbyemail}}{{#canloginbyemail}}{{#str}}usernameemail{{/str}}{{/canloginbyemail}}{{/quote}}>
+                                placeholder={{#quote}}{{^canloginbyemail}}{{#str}}username{{/str}}{{/canloginbyemail}}{{#canloginbyemail}}{{#str}}usernameemail{{/str}}{{/canloginbyemail}}{{/quote}}
+                                autocomplete="username">
                         </div>
                         <div class="form-group">
                             <label for="password" class="sr-only">{{#str}} password {{/str}}</label>
                             <input type="password" name="password" id="password" value=""
                                 class="form-control"
-                                placeholder={{#quote}}{{#str}}password{{/str}}{{/quote}}>
+                                placeholder={{#quote}}{{#str}}password{{/str}}{{/quote}}
+                                autocomplete="current-password">
                         </div>
                         {{#rememberusername}}
                             <div class="rememberpass mt-3">