diff --git a/src/controllers/oai.controller.ts b/src/controllers/oai.controller.ts
index 673d295..471c729 100644
--- a/src/controllers/oai.controller.ts
+++ b/src/controllers/oai.controller.ts
@@ -187,13 +187,18 @@ export class OaiController {
                 this.handleIllegalVerb();
             }
         } else {
-            // try {
-            //     console.log("Async code example.")
-            const err = new PageNotFoundException("verb not found");
-            throw err;
-            // } catch (error) { // manually catching
-            //     next(error); // passing to default middleware error handler
-            // }
+            // // try {
+            // //     console.log("Async code example.")
+            // const err = new PageNotFoundException("verb not found");
+            // throw err;
+            // // } catch (error) { // manually catching
+            // //     next(error); // passing to default middleware error handler
+            // // }
+            throw new OaiModelException(
+                StatusCodes.INTERNAL_SERVER_ERROR,
+                "The verb provided in the request is illegal.",
+                OaiErrorCodes.BADVERB,
+            );
         }
     }
 
diff --git a/src/exceptions/OaiErrorCodes.ts b/src/exceptions/OaiErrorCodes.ts
index 3cb2fd4..8361dcd 100644
--- a/src/exceptions/OaiErrorCodes.ts
+++ b/src/exceptions/OaiErrorCodes.ts
@@ -12,7 +12,7 @@ export enum OaiErrorCodes {
 
 // https://medium.com/@juliapassynkova/map-your-typescript-enums-e402d406b229
 export const OaiModelError = new Map<number, string>([
-    [OaiErrorCodes.BADARGUMENT, 'badVerb'],
+    [OaiErrorCodes.BADVERB, 'badVerb'],
     [OaiErrorCodes.BADARGUMENT, 'badArgument'],
     [OaiErrorCodes.NORECORDSMATCH, 'noRecordsMatch'],
     [OaiErrorCodes.CANNOTDISSEMINATEFORMAT, 'cannotDisseminateFormat'],