1 files changed, 1 insertions, 0 deletions

diff --git a/inverse.c b/inverse.c
index c20e78d..20628e4 100644
--- a/inverse.c
+++ b/inverse.c
@@ -1,6 +1,7 @@
 #include <u.h>
 #include <libc.h>
 #include <bio.h>
+#include <thread.h>
 
 #include "apl9.h"