1 files changed, 1 insertions, 0 deletions

diff --git a/src/core/hle/kernel/mutex.h b/src/core/hle/kernel/mutex.h
index c57adf400..bacacd690 100644
--- a/src/core/hle/kernel/mutex.h
+++ b/src/core/hle/kernel/mutex.h
@@ -7,6 +7,7 @@
 #include <string>
 #include "common/common_types.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/wait_object.h"
 
 namespace Kernel {