diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 73d44f57e24a..0553a6158dcb 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -728,7 +728,7 @@ static int tcp_accept_from_sock(struct connection *con)
 		else {
 			printk("Extra connection from node %d attempted\n", nodeid);
 			result = -EAGAIN;
-			up_write(&newcon->sock_sem);
+			mutex_unlock(&newcon->sock_mutex);
 			goto accept_err;
 		}
 	}