diff --git a/src/osd/modules/render/bgfx/chain.cpp b/src/osd/modules/render/bgfx/chain.cpp
index 313344717d8..64e5d36f5ca 100644
--- a/src/osd/modules/render/bgfx/chain.cpp
+++ b/src/osd/modules/render/bgfx/chain.cpp
@@ -6,6 +6,8 @@
 //
 //============================================================
 
+#include "emu.h"
+
 #include <bx/timer.h>
 
 #include "slider.h"