diff --git a/src/decorators/Controller.ts b/src/decorators/Controller.ts
index 732ff17..346ad84 100644
--- a/src/decorators/Controller.ts
+++ b/src/decorators/Controller.ts
@@ -104,7 +104,7 @@ export function Controller<T extends { new (...args: any[]): BaseController }>(b
                 // Loop over all the methods in the decorated class looking for methods that use the GET decorator
                 Object.getOwnPropertyNames(target.prototype)
                     // Find all methods that have a Get metadata key (GET decorator)
-                    .filter((method) => Reflect.getMetadata(GET_METADATA_KEY, target.prototype, method))
+                    .filter((method) => typeof Reflect.getMetadata(GET_METADATA_KEY, target.prototype, method) !== 'undefined')
                     .map((method) => {
                         // Get the method
                         let fn = target.prototype[method];
@@ -165,7 +165,7 @@ export function Controller<T extends { new (...args: any[]): BaseController }>(b
                 // Loop over all the methods in the decorated class looking for methods that use the POST decorator
                 Object.getOwnPropertyNames(target.prototype)
                     // Find all methods that have a Post metadata key (POST decorator)
-                    .filter((method) => Reflect.getMetadata(POST_METADATA_KEY, target.prototype, method))
+                    .filter((method) => typeof Reflect.getMetadata(POST_METADATA_KEY, target.prototype, method) !== 'undefined')
                     .map((method) => {
                         // Get the method
                         const fn = target.prototype[method];
@@ -217,7 +217,7 @@ export function Controller<T extends { new (...args: any[]): BaseController }>(b
                 // Loop over all the methods in the decorated class looking for methods that use the `@PUT` decorator
                 Object.getOwnPropertyNames(target.prototype)
                     // Find all methods that have the associated metadata key (`@PUT` decorator)
-                    .filter((method) => Reflect.getMetadata(PUT_METADATA_KEY, target.prototype, method))
+                    .filter((method) => typeof Reflect.getMetadata(PUT_METADATA_KEY, target.prototype, method) !== 'undefined')
                     .map((method) => {
                         // Get the method
                         const fn = target.prototype[method];
@@ -264,7 +264,7 @@ export function Controller<T extends { new (...args: any[]): BaseController }>(b
                 // Loop over all the methods in the decorated class looking for methods that use the `@DELETE` decorator
                 Object.getOwnPropertyNames(target.prototype)
                     // Find all methods that have the associated metadata key (`@DELETE` decorator)
-                    .filter((method) => Reflect.getMetadata(DELETE_METADATA_KEY, target.prototype, method))
+                    .filter((method) => typeof Reflect.getMetadata(DELETE_METADATA_KEY, target.prototype, method) !== 'undefined')
                     .map((method) => {
                         // Get the method
                         const fn = target.prototype[method];