diff --git a/.gitattributes b/.gitattributes
index 3b537a3bf05..3a0f294ec18 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -29,3 +29,4 @@ phpstan.neon export-ignore
 phpunit.xml export-ignore
 rector.yaml export-ignore
 utils export-ignore
+stubs export-ignore
diff --git a/src/Stubs/StubLoader.php b/src/Stubs/StubLoader.php
index cc1786700d6..36dfbb407e9 100644
--- a/src/Stubs/StubLoader.php
+++ b/src/Stubs/StubLoader.php
@@ -25,6 +25,12 @@ final class StubLoader
 
         $stubDirectory = __DIR__ . '/../../stubs';
 
+        // stubs might not exists on composer install, to prevent PHPStorm duplicated confusion
+        // @see https://github.com/rectorphp/rector/issues/1899
+        if (! file_exists($stubDirectory)) {
+            return;
+        }
+
         $robotLoader = new RobotLoader();
         $robotLoader->addDirectory($stubDirectory);
         $robotLoader->setTempDirectory(sys_get_temp_dir() . '/_rector_stubs');