diff --git a/src/StarterKits/Exporter.php b/src/StarterKits/Exporter.php
index 472b9b934b..67b0718ac2 100644
--- a/src/StarterKits/Exporter.php
+++ b/src/StarterKits/Exporter.php
@@ -49,6 +49,7 @@ public function export(): void
         $this
             ->validateExportPath()
             ->validateConfig()
+            ->validatePackage()
             ->instantiateModules()
             ->clearExportPath()
             ->exportModules()
@@ -81,6 +82,22 @@ protected function validateConfig(): self
         return $this;
     }
 
+    /**
+     * Validate package folder, if it exists.
+     */
+    protected function validatePackage(): self
+    {
+        if (! $this->files->exists(base_path('package'))) {
+            return $this;
+        }
+
+        if (! $this->files->exists(base_path('package/composer.json'))) {
+            throw new StarterKitException('Package config [package/composer.json] does not exist.');
+        }
+
+        return $this;
+    }
+
     /**
      * Instantiate and validate modules that are to be installed.
      */