diff --git a/source/mijin/async/coroutine.hpp b/source/mijin/async/coroutine.hpp
index 158098c..650caf7 100644
--- a/source/mijin/async/coroutine.hpp
+++ b/source/mijin/async/coroutine.hpp
@@ -274,7 +274,7 @@ struct TaskPromise : impl::TaskReturn<typename TTraits::result_t, TaskPromise<TT
     template<typename TResultOther>
     auto await_transform(TaskBase<TResultOther> task) noexcept
     {
-        MIJIN_ASSERT(loop_ != nullptr, "Cannot await another task outside of a loop!");
+        MIJIN_ASSERT(loop_ != nullptr, "Cannot await another task outside of a loop!"); // NOLINT(clang-analyzer-core.UndefinedBinaryOperatorResult)
         auto future = delayEvaluation<TResultOther>(loop_)->addTask(std::move(task), &sharedState_->subTask); // hackidyhack: delay evaluation of the type of loop_ as it is only forward-declared here
         return await_transform(future);
     }
diff --git a/source/mijin/container/optional.hpp b/source/mijin/container/optional.hpp
index ecdb91b..68fb75a 100644
--- a/source/mijin/container/optional.hpp
+++ b/source/mijin/container/optional.hpp
@@ -35,7 +35,7 @@ struct OptionalStorage
     std::uint8_t used = 0;
 
     [[nodiscard]]
-    constexpr bool empty() const noexcept { return !used; }
+    constexpr bool empty() const noexcept { return !used; } // NOLINT(clang-analyzer-core.uninitialized.UndefReturn)
 
     template<typename... TArgs>
     constexpr void emplace(TArgs&&... args) noexcept
@@ -111,7 +111,7 @@ template<typename TValue>
 class Optional
 {
 private:
-    impl::OptionalStorage<TValue> storage_;
+    impl::OptionalStorage<TValue> storage_ = {};
 public:
     constexpr Optional() = default;
     constexpr Optional(NullOptional) noexcept {}