diff --git a/mingw-w64-crt/libsrc/dxguid.c b/mingw-w64-crt/libsrc/dxguid.c
index 81d9a2a..e555ae3 100644
--- a/mingw-w64-crt/libsrc/dxguid.c
+++ b/mingw-w64-crt/libsrc/dxguid.c
@@ -22,6 +22,14 @@
 #include <d3d11.h>
 #include <d3d11shader.h>
 
+#include <dxgidebug.h>
+#include <dxgi.h>
+#include <dxgi1_2.h>
+#include <dxgi1_3.h>
+#include <dxgi1_4.h>
+#include <dxgi1_5.h>
+#include <dxgi1_6.h>
+
 DEFINE_GUID(CLSID_CDirect3DRM,0x4516ec41,0x8f20,0x11d0,0x9b,0x6d,0x0,0x0,0xc0,0x78,0x1b,0xc3);
 DEFINE_GUID(CLSID_CDirect3DRMAnimation,0x4fa35698,0x623f,0x11cf,0xac,0x4a,0x0,0x0,0xc0,0x38,0x25,0xa1);
 DEFINE_GUID(CLSID_CDirect3DRMAnimationSet,0x4fa35699,0x623f,0x11cf,0xac,0x4a,0x0,0x0,0xc0,0x38,0x25,0xa1);