diff --git a/panda/src/dxgsg9/wdxGraphicsBuffer9.cxx b/panda/src/dxgsg9/wdxGraphicsBuffer9.cxx
index c0059be6bd..09bab17a26 100644
--- a/panda/src/dxgsg9/wdxGraphicsBuffer9.cxx
+++ b/panda/src/dxgsg9/wdxGraphicsBuffer9.cxx
@@ -18,6 +18,7 @@
 
 #include "wdxGraphicsPipe9.h"
 #include "wdxGraphicsBuffer9.h"
+#include "dxGraphicsStateGuardian9.h"
 #include "pStatTimer.h"
 
 
diff --git a/panda/src/dxgsg9/wdxGraphicsBuffer9.h b/panda/src/dxgsg9/wdxGraphicsBuffer9.h
index e270b3ddac..08c41ee9a6 100644
--- a/panda/src/dxgsg9/wdxGraphicsBuffer9.h
+++ b/panda/src/dxgsg9/wdxGraphicsBuffer9.h
@@ -22,7 +22,7 @@
 #include "pandabase.h"
 #include "graphicsBuffer.h"
 #include "dxgsg9base.h"
-
+#include "dxTextureContext9.h"
 
 ////////////////////////////////////////////////////////////////////
 //       Class : wdxGraphicsBuffer9