1 files changed, 1 insertions, 1 deletions

diff --git a/monitor_mm.h b/monitor_mm.h
index 43442609c..d4f54f42f 100644
--- a/monitor_mm.h
+++ b/monitor_mm.h
@@ -25,7 +25,7 @@
 
 #ifndef _MM_H_
 #define _MM_H_
-#include <sys/tree.h>
+#include "openbsd-compat/tree.h"
 
 struct mm_share {
         RB_ENTRY(mm_share) next;