diff --git a/gfx/d3d/render_chain_driver.h b/gfx/d3d/render_chain_driver.h
index 0fb4d906f7..92ccb35c99 100644
--- a/gfx/d3d/render_chain_driver.h
+++ b/gfx/d3d/render_chain_driver.h
@@ -20,6 +20,7 @@
 #include "../video_state_tracker.h"
 #include "../video_shader_parse.h"
 #include "../../libretro.h"
+#include "d3d_defines.h"
 
 struct LinkInfo
 {