diff --git a/src/core/hle/kernel/wait_object.cpp b/src/core/hle/kernel/wait_object.cpp
index b2835ffbd..94ae632cd 100644
--- a/src/core/hle/kernel/wait_object.cpp
+++ b/src/core/hle/kernel/wait_object.cpp
@@ -32,7 +32,7 @@ void WaitObject::RemoveWaitingThread(Thread* thread) {
         waiting_threads.erase(itr);
 }
 
-std::shared_ptr<Thread> WaitObject::GetHighestPriorityReadyThread() {
+std::shared_ptr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
     Thread* candidate = nullptr;
     u32 candidate_priority = ThreadPrioLowest + 1;
 
diff --git a/src/core/hle/kernel/wait_object.h b/src/core/hle/kernel/wait_object.h
index 5c2f38be8..cbfed01d2 100644
--- a/src/core/hle/kernel/wait_object.h
+++ b/src/core/hle/kernel/wait_object.h
@@ -49,7 +49,7 @@ public:
     virtual void WakeupAllWaitingThreads();
 
     /// Obtains the highest priority thread that is ready to run from this object's waiting list.
-    std::shared_ptr<Thread> GetHighestPriorityReadyThread();
+    std::shared_ptr<Thread> GetHighestPriorityReadyThread() const;
 
     /// Get a const reference to the waiting threads list for debug use
     const std::vector<std::shared_ptr<Thread>>& GetWaitingThreads() const;