diff --git a/util/envCheck.ts b/util/envCheck.ts
index ac164ae..5836997 100644
--- a/util/envCheck.ts
+++ b/util/envCheck.ts
@@ -1,6 +1,6 @@
 /** The predefined environment values */
 const envValue: string[] = [
-    "MONGOOSE_STRING", "API_PORT"
+    "MONGOOSE_STRING", "API_PORT", "SHORTENER_PORT", "CDN_PORT", "AS_PORT"
 ]
 
 /** Checks if the provided value is registered in process.env */