diff --git a/auth/authorization_test.go b/auth/authorization_test.go
index 139f416..36075ea 100644
--- a/auth/authorization_test.go
+++ b/auth/authorization_test.go
@@ -9,7 +9,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestAuthorizationMiddleware(t *testing.T) {
+func TestAuthenticationMiddleware(t *testing.T) {
 	token := faker.Word()
 	middleware := CreateAuthenticationMiddleware(token)
 
@@ -19,7 +19,7 @@ func TestAuthorizationMiddleware(t *testing.T) {
 
 	middlewareHandler := middleware.Middleware(handler)
 
-	t.Run("AuthorizationMiddleware returns 403 response when authorization header is incorrect", func(t *testing.T) {
+	t.Run("AuthenticationMiddleware returns 403 response when authorization header is incorrect", func(t *testing.T) {
 		request, _ := http.NewRequest("GET", "/", nil)
 		responseRecorder := httptest.NewRecorder()
 
@@ -28,7 +28,17 @@ func TestAuthorizationMiddleware(t *testing.T) {
 		assert.Equal(t, 403, responseRecorder.Code)
 	})
 
-	t.Run("AuthorizationMiddleware continues when authorization header is correct", func(t *testing.T) {
+	t.Run("AuthenticationMiddleware returns 403 response when authorization header is missing Bearer prefix", func(t *testing.T) {
+		request, _ := http.NewRequest("GET", "/", nil)
+		request.Header.Set("Authorization", token)
+		responseRecorder := httptest.NewRecorder()
+
+		middlewareHandler.ServeHTTP(responseRecorder, request)
+
+		assert.Equal(t, 403, responseRecorder.Code)
+	})
+
+	t.Run("AuthenticationMiddleware continues when authorization header is correct", func(t *testing.T) {
 		request, _ := http.NewRequest("GET", "/", nil)
 		request.Header.Set("Authorization", "Bearer "+token)
 		responseRecorder := httptest.NewRecorder()