diff --git a/src/video_core/shader_notify.cpp b/src/video_core/shader_notify.cpp
index c3c71657d9..693e47158e 100644
--- a/src/video_core/shader_notify.cpp
+++ b/src/video_core/shader_notify.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <mutex>
 #include "video_core/shader_notify.h"
 
 using namespace std::chrono_literals;