diff --git a/src/stream.c b/src/stream.c
index 8a47363..e070599 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -381,6 +381,8 @@ static struct _workers_pool_t *_workers_pool_init(struct stream_t *stream) {
 		WORKER(proc_stop) = &stream->proc->stop;
 		WORKER(workers_stop) = &pool->workers_stop;
 
+		A_MUTEX_INIT(&WORKER(last_comp_time_mutex));
+
 		WORKER(free_workers_mutex) = &pool->free_workers_mutex;
 		WORKER(free_workers) = &pool->free_workers;
 		WORKER(free_workers_cond) = &pool->free_workers_cond;
@@ -413,6 +415,8 @@ static void _workers_pool_destroy(struct _workers_pool_t *pool) {
 		A_MUTEX_DESTROY(&WORKER(has_job_mutex));
 		A_COND_DESTROY(&WORKER(has_job_cond));
 
+		A_MUTEX_DESTROY(&WORKER(last_comp_time_mutex));
+
 #		undef WORKER
 	}