diff --git a/libretro-common/rthreads/async_job.c b/libretro-common/rthreads/async_job.c
index b35ae6e5da..01ed99d3ce 100644
--- a/libretro-common/rthreads/async_job.c
+++ b/libretro-common/rthreads/async_job.c
@@ -112,6 +112,7 @@ void async_job_free(async_job_t *ajob)
    ajob->finish = 1;
    ssem_signal(ajob->sem);
    sthread_join(ajob->thread);
+   slock_free(ajob->lock);
    ssem_free(ajob->sem);
 
    free((void*)ajob);