diff --git a/libretro-common/rthreads/switch_pthread.h b/libretro-common/rthreads/switch_pthread.h
index 7dc32adfca..8e6374dc5f 100644
--- a/libretro-common/rthreads/switch_pthread.h
+++ b/libretro-common/rthreads/switch_pthread.h
@@ -66,18 +66,27 @@ static uint32_t threadCounter = 1;
 int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg)
 {
    u32 prio = 0;
+   u64 core_mask = 0;
+
    Thread new_switch_thread;
 
    svcGetThreadPriority(&prio, CUR_THREAD_HANDLE);
+   svcGetInfo(&core_mask, 0, CUR_PROCESS_HANDLE, 0);
 
    // Launch threads on Core 1
-   int rc = threadCreate(&new_switch_thread, (void (*)(void *))start_routine, arg, STACKSIZE, prio - 1, 1);
+   int rc = threadCreate(&new_switch_thread, (void (*)(void *))start_routine, arg, STACKSIZE, prio - 1, -2);
 
    if (R_FAILED(rc))
    {
       return EAGAIN;
    }
 
+   rc = svcSetThreadCoreMask(new_switch_thread.handle, -1, core_mask);
+   if (R_FAILED(rc))
+   {
+      return -1;
+   }
+
    printf("[Threading]: Starting Thread(#%i)\n", threadCounter);
    if (R_FAILED(threadStart(&new_switch_thread)))
    {