diff --git a/main/utils.c b/main/utils.c
index 3a8d46ae47..0b527f0bd6 100644
--- a/main/utils.c
+++ b/main/utils.c
@@ -1213,7 +1213,7 @@ static void *dummy_start(void *data)
 
 	lock_info->thread_id = pthread_self();
 	lock_info->lwp = ast_get_tid();
-	lock_info->thread_name = strdup(a.name);
+	lock_info->thread_name = ast_strdup(a.name);
 
 	pthread_mutexattr_init(&mutex_attr);
 	pthread_mutexattr_settype(&mutex_attr, AST_MUTEX_KIND);