diff --git a/backend/api_test.go b/backend/api_test.go
index 9f3c527..04a7a26 100644
--- a/backend/api_test.go
+++ b/backend/api_test.go
@@ -351,3 +351,9 @@ func TestGetTaskInvalidId(t *testing.T) {
 	createTestTask(e)
 	e.GET("/task/2").Expect().Status(404)
 }
+
+func TestGetTaskBadId(t *testing.T) {
+	e := startServer(t)
+	createTestTask(e)
+	e.GET("/task/invalid").Expect().Status(400)
+}