1 files changed, 1 insertions, 0 deletions

diff --git a/universe.c b/universe.c
index c146a73..4fd75fd 100644
--- a/universe.c
+++ b/universe.c
@@ -3,6 +3,7 @@
 #include <ip.h>
 #include <mp.h>
 #include <libsec.h>
+#include <thread.h>
 #include <draw.h>
 #include <geometry.h>
 #include "dat.h"