diff --git a/src/middleware/bearer-auth/index.test.ts b/src/middleware/bearer-auth/index.test.ts
index 8c017f48..4dca87f2 100644
--- a/src/middleware/bearer-auth/index.test.ts
+++ b/src/middleware/bearer-auth/index.test.ts
@@ -126,7 +126,7 @@ describe('Bearer Auth by Middleware', () => {
       '/auth-custom-invalid-authentication-header-message-string/*',
       bearerAuth({
         token,
-        invalidAuthenticationHeaderMeasage:
+        invalidAuthenticationHeaderMessage:
           'Custom invalid authentication header message as string',
       })
     )
@@ -139,7 +139,7 @@ describe('Bearer Auth by Middleware', () => {
       '/auth-custom-invalid-authentication-header-message-object/*',
       bearerAuth({
         token,
-        invalidAuthenticationHeaderMeasage: {
+        invalidAuthenticationHeaderMessage: {
           message: 'Custom invalid authentication header message as object',
         },
       })
@@ -153,7 +153,7 @@ describe('Bearer Auth by Middleware', () => {
       '/auth-custom-invalid-authentication-header-message-function-string/*',
       bearerAuth({
         token,
-        invalidAuthenticationHeaderMeasage: () =>
+        invalidAuthenticationHeaderMessage: () =>
           'Custom invalid authentication header message as function string',
       })
     )
@@ -166,7 +166,7 @@ describe('Bearer Auth by Middleware', () => {
       '/auth-custom-invalid-authentication-header-message-function-object/*',
       bearerAuth({
         token,
-        invalidAuthenticationHeaderMeasage: () => ({
+        invalidAuthenticationHeaderMessage: () => ({
           message: 'Custom invalid authentication header message as function object',
         }),
       })
diff --git a/src/middleware/bearer-auth/index.ts b/src/middleware/bearer-auth/index.ts
index a8db32f4..0e86d4d4 100644
--- a/src/middleware/bearer-auth/index.ts
+++ b/src/middleware/bearer-auth/index.ts
@@ -23,7 +23,7 @@ type BearerAuthOptions =
       headerName?: string
       hashFunction?: Function
       noAuthenticationHeaderMessage?: string | object | MessageFunction
-      invalidAuthenticationHeaderMeasage?: string | object | MessageFunction
+      invalidAuthenticationHeaderMessage?: string | object | MessageFunction
       invalidTokenMessage?: string | object | MessageFunction
     }
   | {
@@ -33,7 +33,7 @@ type BearerAuthOptions =
       verifyToken: (token: string, c: Context) => boolean | Promise<boolean>
       hashFunction?: Function
       noAuthenticationHeaderMessage?: string | object | MessageFunction
-      invalidAuthenticationHeaderMeasage?: string | object | MessageFunction
+      invalidAuthenticationHeaderMessage?: string | object | MessageFunction
       invalidTokenMessage?: string | object | MessageFunction
     }
 
@@ -127,7 +127,7 @@ export const bearerAuth = (options: BearerAuthOptions): MiddlewareHandler => {
           c,
           400,
           `${wwwAuthenticatePrefix}error="invalid_request"`,
-          options.invalidAuthenticationHeaderMeasage || 'Bad Request'
+          options.invalidAuthenticationHeaderMessage || 'Bad Request'
         )
       } else {
         let equal = false