diff --git a/main.c b/main.c
index 4bdd83f..8c4c36f 100644
--- a/main.c
+++ b/main.c
@@ -47,6 +47,7 @@ void *sender(void *arg) {
      ListRemove(sendlist);
    }
    else {
+     pthread_mutex_unlock(&sendmut);
      continue;
    }
    pthread_mutex_unlock(&sendmut);