diff --git a/src/ZM/global_functions.php b/src/ZM/global_functions.php
index adca2143..ba10c519 100644
--- a/src/ZM/global_functions.php
+++ b/src/ZM/global_functions.php
@@ -89,6 +89,12 @@ function getAllClasses($dir, $indoor_name) {
         if (is_dir($dir . $v)) $classes = array_merge($classes, getAllClasses($dir . $v . "/", $indoor_name . "\\" . $v));
         elseif (mb_substr($v, -4) == ".php") {
             if(substr(file_get_contents($dir.$v), 6, 6) == "#plain") continue;
+            $composer = json_decode(file_get_contents(DataProvider::getWorkingDir()."/composer.json"), true);
+            foreach($composer["autoload"]["files"] as $fi) {
+                if(realpath(DataProvider::getWorkingDir()."/".$fi) == realpath($dir.$v)) {
+                    continue 2;
+                }
+            }
             $class_name = $indoor_name . "\\" . mb_substr($v, 0, -4);
             $classes [] = $class_name;
         }