diff --git a/routers/web/auth/oauth2_provider.go b/routers/web/auth/oauth2_provider.go
index 79989d8fbe..1dc40d6a75 100644
--- a/routers/web/auth/oauth2_provider.go
+++ b/routers/web/auth/oauth2_provider.go
@@ -636,6 +636,7 @@ func handleAuthorizationCode(ctx *context.Context, form forms.AccessTokenForm, s
 			ErrorCode:        oauth2_provider.AccessTokenErrorCodeInvalidRequest,
 			ErrorDescription: "cannot proceed your request",
 		})
+		return
 	}
 	resp, tokenErr := oauth2_provider.NewAccessTokenResponse(ctx, authorizationCode.Grant, serverKey, clientKey)
 	if tokenErr != nil {