1 files changed, 2 insertions, 0 deletions

diff --git a/firmware/kernel/include/mrsw_lock.h b/firmware/kernel/include/mrsw_lock.h
index fbfe1d405d..d919f7be26 100644
--- a/firmware/kernel/include/mrsw_lock.h
+++ b/firmware/kernel/include/mrsw_lock.h
@@ -21,6 +21,8 @@
 #ifndef MRSW_LOCK_H
 #define MRSW_LOCK_H
 
+#include "thread.h"
+
 /* Multi-reader, single-writer object that allows mutltiple readers or a
  * single writer thread access to a critical section.
  *