diff --git a/docs/manual/mod/mod_lua.xml b/docs/manual/mod/mod_lua.xml
index 3a85d6ec8c9..38528f9465c 100644
--- a/docs/manual/mod/mod_lua.xml
+++ b/docs/manual/mod/mod_lua.xml
@@ -360,7 +360,7 @@ end
         <tr>
           <td><code>ap_auth_type</code></td>
           <td>string</td>
-          <td>no</td>
+          <td>yes</td>
           <td>If an authentication check was made, this is set to the type
           of authentication (f.x. <code>basic</code>)</td>
         </tr>
diff --git a/docs/manual/mod/mod_lua.xml.fr b/docs/manual/mod/mod_lua.xml.fr
index 3931ad5e50b..b61b43e7111 100644
--- a/docs/manual/mod/mod_lua.xml.fr
+++ b/docs/manual/mod/mod_lua.xml.fr
@@ -383,7 +383,7 @@ end
         <tr>
           <td><code>ap_auth_type</code></td>
           <td>string</td>
-          <td>non</td>
+          <td>oui</td>
 	  <td>Ce champ contient le type d'authentification effectuée
 	  (par exemple <code>basic</code>)</td>
         </tr>
diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c
index 6787bbfaf7f..15605cd76c1 100644
--- a/modules/lua/lua_request.c
+++ b/modules/lua/lua_request.c
@@ -2551,6 +2551,12 @@ static int req_newindex(lua_State *L)
     request_rec *r = ap_lua_check_request_rec(L, 1);
     key = luaL_checkstring(L, 2);
 
+    if (0 == strcmp("ap_auth_type", key)) {
+        const char *value = luaL_checkstring(L, 3);
+        r->ap_auth_type = apr_pstrdup(r->pool, value);
+        return 0;
+    }
+
     if (0 == strcmp("args", key)) {
         const char *value = luaL_checkstring(L, 3);
         r->args = apr_pstrdup(r->pool, value);